19207830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{640261}}^1$

素因数の和:640271

約数の個数: 16

約数和(自身を含む): 46098864

約数和(自身を除く): 26891034

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 640261, 1280522, 1920783, 3201305, 3841566, 6402610, 9603915, 19207830]

約数ペア:

[(1, 19207830), (2, 9603915), (3, 6402610), (5, 3841566), (6, 3201305), (10, 1920783), (15, 1280522), (30, 640261)]