18915528056

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{8009}}^1$

素因数の和:8232

約数の個数: 64

約数和(自身を含む): 37256112000

約数和(自身を除く): 18340583944

約数列:

[1, 2, 4, 8, 37, 74, 79, 101, 148, 158, 202, 296, 316, 404, 632, 808, 2923, 3737, 5846, 7474, 7979, 8009, 11692, 14948, 15958, 16018, 23384, 29896, 31916, 32036, 63832, 64072, 295223, 296333, 590446, 592666, 632711, 808909, 1180892, 1185332, 1265422, 1617818, 2361784, 2370664, 2530844, 3235636, 5061688, 6471272, 23410307, 29929633, 46820614, 59859266, 63903811, 93641228, 119718532, 127807622, 187282456, 239437064, 255615244, 511230488, 2364441007, 4728882014, 9457764028, 18915528056]

約数ペア:

[(1, 18915528056), (2, 9457764028), (4, 4728882014), (8, 2364441007), (37, 511230488), (74, 255615244), (79, 239437064), (101, 187282456), (148, 127807622), (158, 119718532), (202, 93641228), (296, 63903811), (316, 59859266), (404, 46820614), (632, 29929633), (808, 23410307), (2923, 6471272), (3737, 5061688), (5846, 3235636), (7474, 2530844), (7979, 2370664), (8009, 2361784), (11692, 1617818), (14948, 1265422), (15958, 1185332), (16018, 1180892), (23384, 808909), (29896, 632711), (31916, 592666), (32036, 590446), (63832, 296333), (64072, 295223)]