19671848

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3947}}^1$

素因数の和:4049

約数の個数: 32

約数和(自身を含む): 42638400

約数和(自身を除く): 22966552

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 712, 1246, 2492, 3947, 4984, 7894, 15788, 27629, 31576, 55258, 110516, 221032, 351283, 702566, 1405132, 2458981, 2810264, 4917962, 9835924, 19671848]

約数ペア:

[(1, 19671848), (2, 9835924), (4, 4917962), (7, 2810264), (8, 2458981), (14, 1405132), (28, 702566), (56, 351283), (89, 221032), (178, 110516), (356, 55258), (623, 31576), (712, 27629), (1246, 15788), (2492, 7894), (3947, 4984)]