18241340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4127}}^1$

素因数の和:4166

約数の個数: 48

約数和(自身を含む): 43690752

約数和(自身を除く): 25449412

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4127, 4420, 8254, 16508, 20635, 41270, 53651, 70159, 82540, 107302, 140318, 214604, 268255, 280636, 350795, 536510, 701590, 912067, 1073020, 1403180, 1824134, 3648268, 4560335, 9120670, 18241340]

約数ペア:

[(1, 18241340), (2, 9120670), (4, 4560335), (5, 3648268), (10, 1824134), (13, 1403180), (17, 1073020), (20, 912067), (26, 701590), (34, 536510), (52, 350795), (65, 280636), (68, 268255), (85, 214604), (130, 140318), (170, 107302), (221, 82540), (260, 70159), (340, 53651), (442, 41270), (884, 20635), (1105, 16508), (2210, 8254), (4127, 4420)]