18965710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{3847}}^1$

素因数の和:3900

約数の個数: 32

約数和(自身を含む): 37402560

約数和(自身を除く): 18436850

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 3847, 4930, 7694, 19235, 38470, 65399, 111563, 130798, 223126, 326995, 557815, 653990, 1115630, 1896571, 3793142, 9482855, 18965710]

約数ペア:

[(1, 18965710), (2, 9482855), (5, 3793142), (10, 1896571), (17, 1115630), (29, 653990), (34, 557815), (58, 326995), (85, 223126), (145, 130798), (170, 111563), (290, 65399), (493, 38470), (986, 19235), (2465, 7694), (3847, 4930)]