19047640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15361}}^1$

素因数の和:15403

約数の個数: 32

約数和(自身を含む): 44242560

約数和(自身を除く): 25194920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 15361, 30722, 61444, 76805, 122888, 153610, 307220, 476191, 614440, 952382, 1904764, 2380955, 3809528, 4761910, 9523820, 19047640]

約数ペア:

[(1, 19047640), (2, 9523820), (4, 4761910), (5, 3809528), (8, 2380955), (10, 1904764), (20, 952382), (31, 614440), (40, 476191), (62, 307220), (124, 153610), (155, 122888), (248, 76805), (310, 61444), (620, 30722), (1240, 15361)]