19137340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{13477}}^1$

素因数の和:13557

約数の個数: 24

約数和(自身を含む): 40757472

約数和(自身を除く): 21620132

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 13477, 26954, 53908, 67385, 134770, 269540, 956867, 1913734, 3827468, 4784335, 9568670, 19137340]

約数ペア:

[(1, 19137340), (2, 9568670), (4, 4784335), (5, 3827468), (10, 1913734), (20, 956867), (71, 269540), (142, 134770), (284, 67385), (355, 53908), (710, 26954), (1420, 13477)]