19219275

素因数分解:

$3^4\times 5^2\times {\mathrm{9491}}^1$

素因数の和:9513

約数の個数: 30

約数和(自身を含む): 35604492

約数和(自身を除く): 16385217

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 9491, 28473, 47455, 85419, 142365, 237275, 256257, 427095, 711825, 768771, 1281285, 2135475, 3843855, 6406425, 19219275]

約数ペア:

[(1, 19219275), (3, 6406425), (5, 3843855), (9, 2135475), (15, 1281285), (25, 768771), (27, 711825), (45, 427095), (75, 256257), (81, 237275), (135, 142365), (225, 85419), (405, 47455), (675, 28473), (2025, 9491)]