19599940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{719}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 43545600

約数和(自身を除く): 23945660

約数列:

[1, 2, 4, 5, 10, 20, 29, 47, 58, 94, 116, 145, 188, 235, 290, 470, 580, 719, 940, 1363, 1438, 2726, 2876, 3595, 5452, 6815, 7190, 13630, 14380, 20851, 27260, 33793, 41702, 67586, 83404, 104255, 135172, 168965, 208510, 337930, 417020, 675860, 979997, 1959994, 3919988, 4899985, 9799970, 19599940]

約数ペア:

[(1, 19599940), (2, 9799970), (4, 4899985), (5, 3919988), (10, 1959994), (20, 979997), (29, 675860), (47, 417020), (58, 337930), (94, 208510), (116, 168965), (145, 135172), (188, 104255), (235, 83404), (290, 67586), (470, 41702), (580, 33793), (719, 27260), (940, 20851), (1363, 14380), (1438, 13630), (2726, 7190), (2876, 6815), (3595, 5452)]