18987431164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{18313}}^1$

素因数の和:18614

約数の個数: 48

約数和(自身を含む): 36297468928

約数和(自身を除く): 17310037764

約数列:

[1, 2, 4, 13, 26, 52, 127, 157, 254, 314, 508, 628, 1651, 2041, 3302, 4082, 6604, 8164, 18313, 19939, 36626, 39878, 73252, 79756, 238069, 259207, 476138, 518414, 952276, 1036828, 2325751, 2875141, 4651502, 5750282, 9303004, 11500564, 30234763, 37376833, 60469526, 74753666, 120939052, 149507332, 365142907, 730285814, 1460571628, 4746857791, 9493715582, 18987431164]

約数ペア:

[(1, 18987431164), (2, 9493715582), (4, 4746857791), (13, 1460571628), (26, 730285814), (52, 365142907), (127, 149507332), (157, 120939052), (254, 74753666), (314, 60469526), (508, 37376833), (628, 30234763), (1651, 11500564), (2041, 9303004), (3302, 5750282), (4082, 4651502), (6604, 2875141), (8164, 2325751), (18313, 1036828), (19939, 952276), (36626, 518414), (39878, 476138), (73252, 259207), (79756, 238069)]