19290618

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:411

約数の個数: 48

約数和(自身を含む): 43610112

約数和(自身を除く): 24319494

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 181, 186, 191, 279, 362, 382, 543, 558, 573, 1086, 1146, 1629, 1719, 3258, 3438, 5611, 5921, 11222, 11842, 16833, 17763, 33666, 34571, 35526, 50499, 53289, 69142, 100998, 103713, 106578, 207426, 311139, 622278, 1071701, 2143402, 3215103, 6430206, 9645309, 19290618]

約数ペア:

[(1, 19290618), (2, 9645309), (3, 6430206), (6, 3215103), (9, 2143402), (18, 1071701), (31, 622278), (62, 311139), (93, 207426), (181, 106578), (186, 103713), (191, 100998), (279, 69142), (362, 53289), (382, 50499), (543, 35526), (558, 34571), (573, 33666), (1086, 17763), (1146, 16833), (1629, 11842), (1719, 11222), (3258, 5921), (3438, 5611)]