17961710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4457}}^1$

素因数の和:4508

約数の個数: 32

約数和(自身を含む): 35949312

約数和(自身を除く): 17987602

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 4457, 8914, 22285, 44570, 57941, 115882, 138167, 276334, 289705, 579410, 690835, 1381670, 1796171, 3592342, 8980855, 17961710]

約数ペア:

[(1, 17961710), (2, 8980855), (5, 3592342), (10, 1796171), (13, 1381670), (26, 690835), (31, 579410), (62, 289705), (65, 276334), (130, 138167), (155, 115882), (310, 57941), (403, 44570), (806, 22285), (2015, 8914), (4030, 4457)]