18162040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{659}}^1$

素因数の和:736

約数の個数: 64

約数和(自身を含む): 44906400

約数和(自身を除く): 26744360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 659, 689, 1060, 1318, 1378, 2120, 2636, 2756, 3295, 3445, 5272, 5512, 6590, 6890, 8567, 13180, 13780, 17134, 26360, 27560, 34268, 34927, 42835, 68536, 69854, 85670, 139708, 171340, 174635, 279416, 342680, 349270, 454051, 698540, 908102, 1397080, 1816204, 2270255, 3632408, 4540510, 9081020, 18162040]

約数ペア:

[(1, 18162040), (2, 9081020), (4, 4540510), (5, 3632408), (8, 2270255), (10, 1816204), (13, 1397080), (20, 908102), (26, 698540), (40, 454051), (52, 349270), (53, 342680), (65, 279416), (104, 174635), (106, 171340), (130, 139708), (212, 85670), (260, 69854), (265, 68536), (424, 42835), (520, 34927), (530, 34268), (659, 27560), (689, 26360), (1060, 17134), (1318, 13780), (1378, 13180), (2120, 8567), (2636, 6890), (2756, 6590), (3295, 5512), (3445, 5272)]