19651912

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3943}}^1$

素因数の和:4045

約数の個数: 32

約数和(自身を含む): 42595200

約数和(自身を除く): 22943288

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 712, 1246, 2492, 3943, 4984, 7886, 15772, 27601, 31544, 55202, 110404, 220808, 350927, 701854, 1403708, 2456489, 2807416, 4912978, 9825956, 19651912]

約数ペア:

[(1, 19651912), (2, 9825956), (4, 4912978), (7, 2807416), (8, 2456489), (14, 1403708), (28, 701854), (56, 350927), (89, 220808), (178, 110404), (356, 55202), (623, 31544), (712, 27601), (1246, 15772), (2492, 7886), (3943, 4984)]