18041820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{773}}^1$

素因数の和:1174

約数の個数: 48

約数和(自身を含む): 50712480

約数和(自身を除く): 32670660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 389, 773, 778, 1167, 1546, 1556, 1945, 2319, 2334, 3092, 3865, 3890, 4638, 4668, 5835, 7730, 7780, 9276, 11595, 11670, 15460, 23190, 23340, 46380, 300697, 601394, 902091, 1202788, 1503485, 1804182, 3006970, 3608364, 4510455, 6013940, 9020910, 18041820]

約数ペア:

[(1, 18041820), (2, 9020910), (3, 6013940), (4, 4510455), (5, 3608364), (6, 3006970), (10, 1804182), (12, 1503485), (15, 1202788), (20, 902091), (30, 601394), (60, 300697), (389, 46380), (773, 23340), (778, 23190), (1167, 15460), (1546, 11670), (1556, 11595), (1945, 9276), (2319, 7780), (2334, 7730), (3092, 5835), (3865, 4668), (3890, 4638)]