18748180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2749}}^1$

素因数の和:2800

約数の個数: 48

約数和(自身を含む): 44352000

約数和(自身を除く): 25603820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 2749, 3410, 5498, 6820, 10996, 13745, 27490, 30239, 54980, 60478, 85219, 120956, 151195, 170438, 302390, 340876, 426095, 604780, 852190, 937409, 1704380, 1874818, 3749636, 4687045, 9374090, 18748180]

約数ペア:

[(1, 18748180), (2, 9374090), (4, 4687045), (5, 3749636), (10, 1874818), (11, 1704380), (20, 937409), (22, 852190), (31, 604780), (44, 426095), (55, 340876), (62, 302390), (110, 170438), (124, 151195), (155, 120956), (220, 85219), (310, 60478), (341, 54980), (620, 30239), (682, 27490), (1364, 13745), (1705, 10996), (2749, 6820), (3410, 5498)]