18785537890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{757}}^1\times {\mathrm{1471}}^1$

素因数の和:2483

約数の個数: 64

約数和(自身を含む): 38882562048

約数和(自身を除く): 20097024158

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 241, 482, 757, 1205, 1471, 1514, 1687, 2410, 2942, 3374, 3785, 5299, 7355, 7570, 8435, 10297, 10598, 14710, 16870, 20594, 26495, 51485, 52990, 102970, 182437, 354511, 364874, 709022, 912185, 1113547, 1277059, 1772555, 1824370, 2227094, 2481577, 2554118, 3545110, 4963154, 5567735, 6385295, 7794829, 11135470, 12407885, 12770590, 15589658, 24815770, 38974145, 77948290, 268364827, 536729654, 1341824135, 1878553789, 2683648270, 3757107578, 9392768945, 18785537890]

約数ペア:

[(1, 18785537890), (2, 9392768945), (5, 3757107578), (7, 2683648270), (10, 1878553789), (14, 1341824135), (35, 536729654), (70, 268364827), (241, 77948290), (482, 38974145), (757, 24815770), (1205, 15589658), (1471, 12770590), (1514, 12407885), (1687, 11135470), (2410, 7794829), (2942, 6385295), (3374, 5567735), (3785, 4963154), (5299, 3545110), (7355, 2554118), (7570, 2481577), (8435, 2227094), (10297, 1824370), (10598, 1772555), (14710, 1277059), (16870, 1113547), (20594, 912185), (26495, 709022), (51485, 364874), (52990, 354511), (102970, 182437)]