18505765566

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{128657}}^1$

素因数の和:128857

約数の個数: 48

約数和(自身を含む): 41064545808

約数和(自身を除く): 22558780242

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 131, 183, 262, 366, 393, 549, 786, 1098, 1179, 2358, 7991, 15982, 23973, 47946, 71919, 128657, 143838, 257314, 385971, 771942, 1157913, 2315826, 7848077, 15696154, 16854067, 23544231, 33708134, 47088462, 50562201, 70632693, 101124402, 141265386, 151686603, 303373206, 1028098087, 2056196174, 3084294261, 6168588522, 9252882783, 18505765566]

約数ペア:

[(1, 18505765566), (2, 9252882783), (3, 6168588522), (6, 3084294261), (9, 2056196174), (18, 1028098087), (61, 303373206), (122, 151686603), (131, 141265386), (183, 101124402), (262, 70632693), (366, 50562201), (393, 47088462), (549, 33708134), (786, 23544231), (1098, 16854067), (1179, 15696154), (2358, 7848077), (7991, 2315826), (15982, 1157913), (23973, 771942), (47946, 385971), (71919, 257314), (128657, 143838)]