19519786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 34727616

約数和(自身を除く): 15207830

約数列:

[1, 2, 11, 13, 22, 26, 131, 143, 262, 286, 521, 1042, 1441, 1703, 2882, 3406, 5731, 6773, 11462, 13546, 18733, 37466, 68251, 74503, 136502, 149006, 750761, 887263, 1501522, 1774526, 9759893, 19519786]

約数ペア:

[(1, 19519786), (2, 9759893), (11, 1774526), (13, 1501522), (22, 887263), (26, 750761), (131, 149006), (143, 136502), (262, 74503), (286, 68251), (521, 37466), (1042, 18733), (1441, 13546), (1703, 11462), (2882, 6773), (3406, 5731)]