18984174

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:437

約数の個数: 48

約数和(自身を含む): 42389760

約数和(自身を除く): 23405586

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 79, 121, 158, 237, 242, 331, 363, 474, 662, 726, 869, 993, 1738, 1986, 2607, 3641, 5214, 7282, 9559, 10923, 19118, 21846, 26149, 28677, 40051, 52298, 57354, 78447, 80102, 120153, 156894, 240306, 287639, 575278, 862917, 1725834, 3164029, 6328058, 9492087, 18984174]

約数ペア:

[(1, 18984174), (2, 9492087), (3, 6328058), (6, 3164029), (11, 1725834), (22, 862917), (33, 575278), (66, 287639), (79, 240306), (121, 156894), (158, 120153), (237, 80102), (242, 78447), (331, 57354), (363, 52298), (474, 40051), (662, 28677), (726, 26149), (869, 21846), (993, 19118), (1738, 10923), (1986, 9559), (2607, 7282), (3641, 5214)]