2018056820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{20809}}^1$

素因数の和:21204

約数の個数: 48

約数和(自身を含む): 4576368720

約数和(自身を除く): 2558311900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 373, 746, 1492, 1865, 3730, 4849, 7460, 9698, 19396, 20809, 24245, 41618, 48490, 83236, 96980, 104045, 208090, 270517, 416180, 541034, 1082068, 1352585, 2705170, 5410340, 7761757, 15523514, 31047028, 38808785, 77617570, 100902841, 155235140, 201805682, 403611364, 504514205, 1009028410, 2018056820]

約数ペア:

[(1, 2018056820), (2, 1009028410), (4, 504514205), (5, 403611364), (10, 201805682), (13, 155235140), (20, 100902841), (26, 77617570), (52, 38808785), (65, 31047028), (130, 15523514), (260, 7761757), (373, 5410340), (746, 2705170), (1492, 1352585), (1865, 1082068), (3730, 541034), (4849, 416180), (7460, 270517), (9698, 208090), (19396, 104045), (20809, 96980), (24245, 83236), (41618, 48490)]