19439150

素因数分解:

$2^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{2797}}^1$

素因数の和:2948

約数の個数: 24

約数和(自身を含む): 36429960

約数和(自身を除く): 16990810

約数列:

[1, 2, 5, 10, 25, 50, 139, 278, 695, 1390, 2797, 3475, 5594, 6950, 13985, 27970, 69925, 139850, 388783, 777566, 1943915, 3887830, 9719575, 19439150]

約数ペア:

[(1, 19439150), (2, 9719575), (5, 3887830), (10, 1943915), (25, 777566), (50, 388783), (139, 139850), (278, 69925), (695, 27970), (1390, 13985), (2797, 6950), (3475, 5594)]