19458010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1237}}^1$

素因数の和:1279

約数の個数: 48

約数和(自身を含む): 41492808

約数和(自身を除く): 22034798

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 121, 130, 143, 242, 286, 605, 715, 1210, 1237, 1430, 1573, 2474, 3146, 6185, 7865, 12370, 13607, 15730, 16081, 27214, 32162, 68035, 80405, 136070, 149677, 160810, 176891, 299354, 353782, 748385, 884455, 1496770, 1768910, 1945801, 3891602, 9729005, 19458010]

約数ペア:

[(1, 19458010), (2, 9729005), (5, 3891602), (10, 1945801), (11, 1768910), (13, 1496770), (22, 884455), (26, 748385), (55, 353782), (65, 299354), (110, 176891), (121, 160810), (130, 149677), (143, 136070), (242, 80405), (286, 68035), (605, 32162), (715, 27214), (1210, 16081), (1237, 15730), (1430, 13607), (1573, 12370), (2474, 7865), (3146, 6185)]