19712110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{1481}}^1$

素因数の和:1521

約数の個数: 32

約数和(自身を含む): 39053664

約数和(自身を除く): 19341554

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 1331, 1481, 2662, 2962, 6655, 7405, 13310, 14810, 16291, 32582, 81455, 162910, 179201, 358402, 896005, 1792010, 1971211, 3942422, 9856055, 19712110]

約数ペア:

[(1, 19712110), (2, 9856055), (5, 3942422), (10, 1971211), (11, 1792010), (22, 896005), (55, 358402), (110, 179201), (121, 162910), (242, 81455), (605, 32582), (1210, 16291), (1331, 14810), (1481, 13310), (2662, 7405), (2962, 6655)]