19816992

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:175

約数の個数: 144

約数和(自身を含む): 62375040

約数和(自身を除く): 42558048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 67, 72, 78, 79, 96, 104, 117, 134, 144, 156, 158, 201, 208, 234, 237, 268, 288, 312, 316, 402, 416, 468, 474, 536, 603, 624, 632, 711, 804, 871, 936, 948, 1027, 1072, 1206, 1248, 1264, 1422, 1608, 1742, 1872, 1896, 2054, 2144, 2412, 2528, 2613, 2844, 3081, 3216, 3484, 3744, 3792, 4108, 4824, 5226, 5293, 5688, 6162, 6432, 6968, 7584, 7839, 8216, 9243, 9648, 10452, 10586, 11376, 12324, 13936, 15678, 15879, 16432, 18486, 19296, 20904, 21172, 22752, 24648, 27872, 31356, 31758, 32864, 36972, 41808, 42344, 47637, 49296, 62712, 63516, 68809, 73944, 83616, 84688, 95274, 98592, 125424, 127032, 137618, 147888, 169376, 190548, 206427, 250848, 254064, 275236, 295776, 381096, 412854, 508128, 550472, 619281, 762192, 825708, 1100944, 1238562, 1524384, 1651416, 2201888, 2477124, 3302832, 4954248, 6605664, 9908496, 19816992]

約数ペア:

[(1, 19816992), (2, 9908496), (3, 6605664), (4, 4954248), (6, 3302832), (8, 2477124), (9, 2201888), (12, 1651416), (13, 1524384), (16, 1238562), (18, 1100944), (24, 825708), (26, 762192), (32, 619281), (36, 550472), (39, 508128), (48, 412854), (52, 381096), (67, 295776), (72, 275236), (78, 254064), (79, 250848), (96, 206427), (104, 190548), (117, 169376), (134, 147888), (144, 137618), (156, 127032), (158, 125424), (201, 98592), (208, 95274), (234, 84688), (237, 83616), (268, 73944), (288, 68809), (312, 63516), (316, 62712), (402, 49296), (416, 47637), (468, 42344), (474, 41808), (536, 36972), (603, 32864), (624, 31758), (632, 31356), (711, 27872), (804, 24648), (871, 22752), (936, 21172), (948, 20904), (1027, 19296), (1072, 18486), (1206, 16432), (1248, 15879), (1264, 15678), (1422, 13936), (1608, 12324), (1742, 11376), (1872, 10586), (1896, 10452), (2054, 9648), (2144, 9243), (2412, 8216), (2528, 7839), (2613, 7584), (2844, 6968), (3081, 6432), (3216, 6162), (3484, 5688), (3744, 5293), (3792, 5226), (4108, 4824)]