18980208

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{10139}}^1$

素因数の和:10166

約数の個数: 60

約数和(自身を含む): 57209880

約数和(自身を除く): 38229672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 10139, 20278, 30417, 40556, 60834, 81112, 91251, 121668, 131807, 162224, 182502, 243336, 263614, 365004, 395421, 486672, 527228, 730008, 790842, 1054456, 1186263, 1460016, 1581684, 2108912, 2372526, 3163368, 4745052, 6326736, 9490104, 18980208]

約数ペア:

[(1, 18980208), (2, 9490104), (3, 6326736), (4, 4745052), (6, 3163368), (8, 2372526), (9, 2108912), (12, 1581684), (13, 1460016), (16, 1186263), (18, 1054456), (24, 790842), (26, 730008), (36, 527228), (39, 486672), (48, 395421), (52, 365004), (72, 263614), (78, 243336), (104, 182502), (117, 162224), (144, 131807), (156, 121668), (208, 91251), (234, 81112), (312, 60834), (468, 40556), (624, 30417), (936, 20278), (1872, 10139)]