19717860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10601}}^1$

素因数の和:10644

約数の個数: 48

約数和(自身を含む): 56996352

約数和(自身を除く): 37278492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 10601, 21202, 31803, 42404, 53005, 63606, 106010, 127212, 159015, 212020, 318030, 328631, 636060, 657262, 985893, 1314524, 1643155, 1971786, 3286310, 3943572, 4929465, 6572620, 9858930, 19717860]

約数ペア:

[(1, 19717860), (2, 9858930), (3, 6572620), (4, 4929465), (5, 3943572), (6, 3286310), (10, 1971786), (12, 1643155), (15, 1314524), (20, 985893), (30, 657262), (31, 636060), (60, 328631), (62, 318030), (93, 212020), (124, 159015), (155, 127212), (186, 106010), (310, 63606), (372, 53005), (465, 42404), (620, 31803), (930, 21202), (1860, 10601)]