19580275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5477}}^1$

素因数の和:5511

約数の個数: 24

約数和(自身を含む): 28529424

約数和(自身を除く): 8949149

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 5477, 27385, 60247, 71201, 136925, 301235, 356005, 783211, 1506175, 1780025, 3916055, 19580275]

約数ペア:

[(1, 19580275), (5, 3916055), (11, 1780025), (13, 1506175), (25, 783211), (55, 356005), (65, 301235), (143, 136925), (275, 71201), (325, 60247), (715, 27385), (3575, 5477)]