15317420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{233}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 34201440

約数和(自身を除く): 18884020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 173, 190, 233, 346, 380, 466, 692, 865, 932, 1165, 1730, 2330, 3287, 3460, 4427, 4660, 6574, 8854, 13148, 16435, 17708, 22135, 32870, 40309, 44270, 65740, 80618, 88540, 161236, 201545, 403090, 765871, 806180, 1531742, 3063484, 3829355, 7658710, 15317420]

約数ペア:

[(1, 15317420), (2, 7658710), (4, 3829355), (5, 3063484), (10, 1531742), (19, 806180), (20, 765871), (38, 403090), (76, 201545), (95, 161236), (173, 88540), (190, 80618), (233, 65740), (346, 44270), (380, 40309), (466, 32870), (692, 22135), (865, 17708), (932, 16435), (1165, 13148), (1730, 8854), (2330, 6574), (3287, 4660), (3460, 4427)]