2190720406

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8235791}}^1$

素因数の和:8235819

約数の個数: 16

約数和(自身を含む): 3953180160

約数和(自身を除く): 1762459754

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 8235791, 16471582, 57650537, 115301074, 156480029, 312960058, 1095360203, 2190720406]

約数ペア:

[(1, 2190720406), (2, 1095360203), (7, 312960058), (14, 156480029), (19, 115301074), (38, 57650537), (133, 16471582), (266, 8235791)]