19835390

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{479}}^1$

素因数の和:628

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 17178370

約数列:

[1, 2, 5, 10, 41, 82, 101, 202, 205, 410, 479, 505, 958, 1010, 2395, 4141, 4790, 8282, 19639, 20705, 39278, 41410, 48379, 96758, 98195, 196390, 241895, 483790, 1983539, 3967078, 9917695, 19835390]

約数ペア:

[(1, 19835390), (2, 9917695), (5, 3967078), (10, 1983539), (41, 483790), (82, 241895), (101, 196390), (202, 98195), (205, 96758), (410, 48379), (479, 41410), (505, 39278), (958, 20705), (1010, 19639), (2395, 8282), (4141, 4790)]