18533660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{179}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 22108900

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 167, 179, 310, 334, 358, 620, 668, 716, 835, 895, 1670, 1790, 3340, 3580, 5177, 5549, 10354, 11098, 20708, 22196, 25885, 27745, 29893, 51770, 55490, 59786, 103540, 110980, 119572, 149465, 298930, 597860, 926683, 1853366, 3706732, 4633415, 9266830, 18533660]

約数ペア:

[(1, 18533660), (2, 9266830), (4, 4633415), (5, 3706732), (10, 1853366), (20, 926683), (31, 597860), (62, 298930), (124, 149465), (155, 119572), (167, 110980), (179, 103540), (310, 59786), (334, 55490), (358, 51770), (620, 29893), (668, 27745), (716, 25885), (835, 22196), (895, 20708), (1670, 11098), (1790, 10354), (3340, 5549), (3580, 5177)]