19978657296

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{839}}^1\times {\mathrm{1231}}^1$

素因数の和:2125

約数の個数: 160

約数和(自身を含む): 57489653760

約数和(自身を除く): 37510996464

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 156, 186, 208, 248, 312, 372, 403, 496, 624, 744, 806, 839, 1209, 1231, 1488, 1612, 1678, 2418, 2462, 2517, 3224, 3356, 3693, 4836, 4924, 5034, 6448, 6712, 7386, 9672, 9848, 10068, 10907, 13424, 14772, 16003, 19344, 19696, 20136, 21814, 26009, 29544, 32006, 32721, 38161, 40272, 43628, 48009, 52018, 59088, 64012, 65442, 76322, 78027, 87256, 96018, 104036, 114483, 128024, 130884, 152644, 156054, 174512, 192036, 208072, 228966, 256048, 261768, 305288, 312108, 338117, 384072, 416144, 457932, 496093, 523536, 610576, 624216, 676234, 768144, 915864, 992186, 1014351, 1032809, 1248432, 1352468, 1488279, 1831728, 1984372, 2028702, 2065618, 2704936, 2976558, 3098427, 3968744, 4057404, 4131236, 5409872, 5953116, 6196854, 7937488, 8114808, 8262472, 11906232, 12393708, 13426517, 16229616, 16524944, 23812464, 24787416, 26853034, 32017079, 40279551, 49574832, 53706068, 64034158, 80559102, 96051237, 107412136, 128068316, 161118204, 192102474, 214824272, 256136632, 322236408, 384204948, 416222027, 512273264, 644472816, 768409896, 832444054, 1248666081, 1536819792, 1664888108, 2497332162, 3329776216, 4994664324, 6659552432, 9989328648, 19978657296]

約数ペア:

[(1, 19978657296), (2, 9989328648), (3, 6659552432), (4, 4994664324), (6, 3329776216), (8, 2497332162), (12, 1664888108), (13, 1536819792), (16, 1248666081), (24, 832444054), (26, 768409896), (31, 644472816), (39, 512273264), (48, 416222027), (52, 384204948), (62, 322236408), (78, 256136632), (93, 214824272), (104, 192102474), (124, 161118204), (156, 128068316), (186, 107412136), (208, 96051237), (248, 80559102), (312, 64034158), (372, 53706068), (403, 49574832), (496, 40279551), (624, 32017079), (744, 26853034), (806, 24787416), (839, 23812464), (1209, 16524944), (1231, 16229616), (1488, 13426517), (1612, 12393708), (1678, 11906232), (2418, 8262472), (2462, 8114808), (2517, 7937488), (3224, 6196854), (3356, 5953116), (3693, 5409872), (4836, 4131236), (4924, 4057404), (5034, 3968744), (6448, 3098427), (6712, 2976558), (7386, 2704936), (9672, 2065618), (9848, 2028702), (10068, 1984372), (10907, 1831728), (13424, 1488279), (14772, 1352468), (16003, 1248432), (19344, 1032809), (19696, 1014351), (20136, 992186), (21814, 915864), (26009, 768144), (29544, 676234), (32006, 624216), (32721, 610576), (38161, 523536), (40272, 496093), (43628, 457932), (48009, 416144), (52018, 384072), (59088, 338117), (64012, 312108), (65442, 305288), (76322, 261768), (78027, 256048), (87256, 228966), (96018, 208072), (104036, 192036), (114483, 174512), (128024, 156054), (130884, 152644)]