18962840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36467}}^1$

素因数の和:36491

約数の個数: 32

約数和(自身を含む): 45949680

約数和(自身を除く): 26986840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 36467, 72934, 145868, 182335, 291736, 364670, 474071, 729340, 948142, 1458680, 1896284, 2370355, 3792568, 4740710, 9481420, 18962840]

約数ペア:

[(1, 18962840), (2, 9481420), (4, 4740710), (5, 3792568), (8, 2370355), (10, 1896284), (13, 1458680), (20, 948142), (26, 729340), (40, 474071), (52, 364670), (65, 291736), (104, 182335), (130, 145868), (260, 72934), (520, 36467)]