18250180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4129}}^1$

素因数の和:4168

約数の個数: 48

約数和(自身を含む): 43711920

約数和(自身を除く): 25461740

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, 4129, 4420, 8258, 16516, 20645, 41290, 53677, 70193, 82580, 107354, 140386, 214708, 268385, 280772, 350965, 536770, 701930, 912509, 1073540, 1403860, 1825018, 3650036, 4562545, 9125090, 18250180]

約数ペア:

[(1, 18250180), (2, 9125090), (4, 4562545), (5, 3650036), (10, 1825018), (13, 1403860), (17, 1073540), (20, 912509), (26, 701930), (34, 536770), (52, 350965), (65, 280772), (68, 268385), (85, 214708), (130, 140386), (170, 107354), (221, 82580), (260, 70193), (340, 53677), (442, 41290), (884, 20645), (1105, 16516), (2210, 8258), (4129, 4420)]