13519820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9521}}^1$

素因数の和:9601

約数の個数: 24

約数和(自身を含む): 28794528

約数和(自身を除く): 15274708

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 9521, 19042, 38084, 47605, 95210, 190420, 675991, 1351982, 2703964, 3379955, 6759910, 13519820]

約数ペア:

[(1, 13519820), (2, 6759910), (4, 3379955), (5, 2703964), (10, 1351982), (20, 675991), (71, 190420), (142, 95210), (284, 47605), (355, 38084), (710, 19042), (1420, 9521)]