12399020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{487}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 27874560

約数和(自身を除く): 15475540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 190, 268, 335, 380, 487, 670, 974, 1273, 1340, 1948, 2435, 2546, 4870, 5092, 6365, 9253, 9740, 12730, 18506, 25460, 32629, 37012, 46265, 65258, 92530, 130516, 163145, 185060, 326290, 619951, 652580, 1239902, 2479804, 3099755, 6199510, 12399020]

約数ペア:

[(1, 12399020), (2, 6199510), (4, 3099755), (5, 2479804), (10, 1239902), (19, 652580), (20, 619951), (38, 326290), (67, 185060), (76, 163145), (95, 130516), (134, 92530), (190, 65258), (268, 46265), (335, 37012), (380, 32629), (487, 25460), (670, 18506), (974, 12730), (1273, 9740), (1340, 9253), (1948, 6365), (2435, 5092), (2546, 4870)]