19312810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{1451}}^1$

素因数の和:1491

約数の個数: 32

約数和(自身を含む): 38263104

約数和(自身を除く): 18950294

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 1331, 1451, 2662, 2902, 6655, 7255, 13310, 14510, 15961, 31922, 79805, 159610, 175571, 351142, 877855, 1755710, 1931281, 3862562, 9656405, 19312810]

約数ペア:

[(1, 19312810), (2, 9656405), (5, 3862562), (10, 1931281), (11, 1755710), (22, 877855), (55, 351142), (110, 175571), (121, 159610), (242, 79805), (605, 31922), (1210, 15961), (1331, 14510), (1451, 13310), (2662, 7255), (2902, 6655)]