18958164

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{461}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 46569600

約数和(自身を除く): 27611436

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 149, 276, 298, 447, 461, 596, 894, 922, 1383, 1788, 1844, 2766, 3427, 5532, 6854, 10281, 10603, 13708, 20562, 21206, 31809, 41124, 42412, 63618, 68689, 127236, 137378, 206067, 274756, 412134, 824268, 1579847, 3159694, 4739541, 6319388, 9479082, 18958164]

約数ペア:

[(1, 18958164), (2, 9479082), (3, 6319388), (4, 4739541), (6, 3159694), (12, 1579847), (23, 824268), (46, 412134), (69, 274756), (92, 206067), (138, 137378), (149, 127236), (276, 68689), (298, 63618), (447, 42412), (461, 41124), (596, 31809), (894, 21206), (922, 20562), (1383, 13708), (1788, 10603), (1844, 10281), (2766, 6854), (3427, 5532)]