19811232

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:371

約数の個数: 144

約数和(自身を含む): 66673152

約数和(自身を除く): 46861920

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 56, 62, 63, 72, 84, 93, 96, 112, 124, 126, 144, 168, 186, 217, 224, 248, 252, 279, 288, 317, 336, 372, 434, 496, 504, 558, 634, 651, 672, 744, 868, 951, 992, 1008, 1116, 1268, 1302, 1488, 1736, 1902, 1953, 2016, 2219, 2232, 2536, 2604, 2853, 2976, 3472, 3804, 3906, 4438, 4464, 5072, 5208, 5706, 6657, 6944, 7608, 7812, 8876, 8928, 9827, 10144, 10416, 11412, 13314, 15216, 15624, 17752, 19654, 19971, 20832, 22824, 26628, 29481, 30432, 31248, 35504, 39308, 39942, 45648, 53256, 58962, 62496, 68789, 71008, 78616, 79884, 88443, 91296, 106512, 117924, 137578, 157232, 159768, 176886, 206367, 213024, 235848, 275156, 314464, 319536, 353772, 412734, 471696, 550312, 619101, 639072, 707544, 825468, 943392, 1100624, 1238202, 1415088, 1650936, 2201248, 2476404, 2830176, 3301872, 4952808, 6603744, 9905616, 19811232]

約数ペア:

[(1, 19811232), (2, 9905616), (3, 6603744), (4, 4952808), (6, 3301872), (7, 2830176), (8, 2476404), (9, 2201248), (12, 1650936), (14, 1415088), (16, 1238202), (18, 1100624), (21, 943392), (24, 825468), (28, 707544), (31, 639072), (32, 619101), (36, 550312), (42, 471696), (48, 412734), (56, 353772), (62, 319536), (63, 314464), (72, 275156), (84, 235848), (93, 213024), (96, 206367), (112, 176886), (124, 159768), (126, 157232), (144, 137578), (168, 117924), (186, 106512), (217, 91296), (224, 88443), (248, 79884), (252, 78616), (279, 71008), (288, 68789), (317, 62496), (336, 58962), (372, 53256), (434, 45648), (496, 39942), (504, 39308), (558, 35504), (634, 31248), (651, 30432), (672, 29481), (744, 26628), (868, 22824), (951, 20832), (992, 19971), (1008, 19654), (1116, 17752), (1268, 15624), (1302, 15216), (1488, 13314), (1736, 11412), (1902, 10416), (1953, 10144), (2016, 9827), (2219, 8928), (2232, 8876), (2536, 7812), (2604, 7608), (2853, 6944), (2976, 6657), (3472, 5706), (3804, 5208), (3906, 5072), (4438, 4464)]