18995145

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3359}}^1$

素因数の和:3409

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 14873655

約数列:

[1, 3, 5, 13, 15, 29, 39, 65, 87, 145, 195, 377, 435, 1131, 1885, 3359, 5655, 10077, 16795, 43667, 50385, 97411, 131001, 218335, 292233, 487055, 655005, 1266343, 1461165, 3799029, 6331715, 18995145]

約数ペア:

[(1, 18995145), (3, 6331715), (5, 3799029), (13, 1461165), (15, 1266343), (29, 655005), (39, 487055), (65, 292233), (87, 218335), (145, 131001), (195, 97411), (377, 50385), (435, 43667), (1131, 16795), (1885, 10077), (3359, 5655)]