19675266

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 44728320

約数和(自身を除く): 25053054

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 79, 93, 103, 158, 186, 206, 237, 309, 403, 474, 618, 806, 1027, 1209, 1339, 2054, 2418, 2449, 2678, 3081, 3193, 4017, 4898, 6162, 6386, 7347, 8034, 8137, 9579, 14694, 16274, 19158, 24411, 31837, 41509, 48822, 63674, 83018, 95511, 105781, 124527, 191022, 211562, 249054, 252247, 317343, 504494, 634686, 756741, 1513482, 3279211, 6558422, 9837633, 19675266]

約数ペア:

[(1, 19675266), (2, 9837633), (3, 6558422), (6, 3279211), (13, 1513482), (26, 756741), (31, 634686), (39, 504494), (62, 317343), (78, 252247), (79, 249054), (93, 211562), (103, 191022), (158, 124527), (186, 105781), (206, 95511), (237, 83018), (309, 63674), (403, 48822), (474, 41509), (618, 31837), (806, 24411), (1027, 19158), (1209, 16274), (1339, 14694), (2054, 9579), (2418, 8137), (2449, 8034), (2678, 7347), (3081, 6386), (3193, 6162), (4017, 4898)]