18909236

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{487}}^1\times {\mathrm{571}}^1$

素因数の和:1079

約数の個数: 24

約数和(自身を含む): 35171136

約数和(自身を除く): 16261900

約数列:

[1, 2, 4, 17, 34, 68, 487, 571, 974, 1142, 1948, 2284, 8279, 9707, 16558, 19414, 33116, 38828, 278077, 556154, 1112308, 4727309, 9454618, 18909236]

約数ペア:

[(1, 18909236), (2, 9454618), (4, 4727309), (17, 1112308), (34, 556154), (68, 278077), (487, 38828), (571, 33116), (974, 19414), (1142, 16558), (1948, 9707), (2284, 8279)]