19484740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2857}}^1$

素因数の和:2908

約数の個数: 48

約数和(自身を含む): 46093824

約数和(自身を除く): 26609084

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, 2857, 3410, 5714, 6820, 11428, 14285, 28570, 31427, 57140, 62854, 88567, 125708, 157135, 177134, 314270, 354268, 442835, 628540, 885670, 974237, 1771340, 1948474, 3896948, 4871185, 9742370, 19484740]

約数ペア:

[(1, 19484740), (2, 9742370), (4, 4871185), (5, 3896948), (10, 1948474), (11, 1771340), (20, 974237), (22, 885670), (31, 628540), (44, 442835), (55, 354268), (62, 314270), (110, 177134), (124, 157135), (155, 125708), (220, 88567), (310, 62854), (341, 57140), (620, 31427), (682, 28570), (1364, 14285), (1705, 11428), (2857, 6820), (3410, 5714)]