18181686

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{409}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 37785600

約数和(自身を除く): 19603914

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 239, 409, 478, 717, 818, 1227, 1434, 2454, 7409, 12679, 14818, 22227, 25358, 38037, 44454, 76074, 97751, 195502, 293253, 586506, 3030281, 6060562, 9090843, 18181686]

約数ペア:

[(1, 18181686), (2, 9090843), (3, 6060562), (6, 3030281), (31, 586506), (62, 293253), (93, 195502), (186, 97751), (239, 76074), (409, 44454), (478, 38037), (717, 25358), (818, 22227), (1227, 14818), (1434, 12679), (2454, 7409)]