19688116

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{11527}}^1$

素因数の和:11599

約数の個数: 24

約数和(自身を含む): 40025216

約数和(自身を除く): 20337100

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 11527, 23054, 46108, 80689, 161378, 322756, 703147, 1406294, 2812588, 4922029, 9844058, 19688116]

約数ペア:

[(1, 19688116), (2, 9844058), (4, 4922029), (7, 2812588), (14, 1406294), (28, 703147), (61, 322756), (122, 161378), (244, 80689), (427, 46108), (854, 23054), (1708, 11527)]