18087590

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{643}}^1$

素因数の和:776

約数の個数: 32

約数和(自身を含む): 34080480

約数和(自身を除く): 15992890

約数列:

[1, 2, 5, 10, 29, 58, 97, 145, 194, 290, 485, 643, 970, 1286, 2813, 3215, 5626, 6430, 14065, 18647, 28130, 37294, 62371, 93235, 124742, 186470, 311855, 623710, 1808759, 3617518, 9043795, 18087590]

約数ペア:

[(1, 18087590), (2, 9043795), (5, 3617518), (10, 1808759), (29, 623710), (58, 311855), (97, 186470), (145, 124742), (194, 93235), (290, 62371), (485, 37294), (643, 28130), (970, 18647), (1286, 14065), (2813, 6430), (3215, 5626)]