19478475

素因数分解:

$3^4\times 5^2\times {\mathrm{9619}}^1$

素因数の和:9641

約数の個数: 30

約数和(自身を含む): 36084620

約数和(自身を除く): 16606145

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 9619, 28857, 48095, 86571, 144285, 240475, 259713, 432855, 721425, 779139, 1298565, 2164275, 3895695, 6492825, 19478475]

約数ペア:

[(1, 19478475), (3, 6492825), (5, 3895695), (9, 2164275), (15, 1298565), (25, 779139), (27, 721425), (45, 432855), (75, 259713), (81, 240475), (135, 144285), (225, 86571), (405, 48095), (675, 28857), (2025, 9619)]