18791786

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{1049}}^1$

素因数の和:1130

約数の個数: 24

約数和(自身を含む): 31128300

約数和(自身を除く): 12336514

約数列:

[1, 2, 13, 26, 53, 106, 169, 338, 689, 1049, 1378, 2098, 8957, 13637, 17914, 27274, 55597, 111194, 177281, 354562, 722761, 1445522, 9395893, 18791786]

約数ペア:

[(1, 18791786), (2, 9395893), (13, 1445522), (26, 722761), (53, 354562), (106, 177281), (169, 111194), (338, 55597), (689, 27274), (1049, 17914), (1378, 13637), (2098, 8957)]