15813938

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:402

約数の個数: 32

約数和(自身を含む): 28110720

約数和(自身を除く): 12296782

約数列:

[1, 2, 7, 14, 43, 86, 109, 218, 241, 301, 482, 602, 763, 1526, 1687, 3374, 4687, 9374, 10363, 20726, 26269, 32809, 52538, 65618, 72541, 145082, 183883, 367766, 1129567, 2259134, 7906969, 15813938]

約数ペア:

[(1, 15813938), (2, 7906969), (7, 2259134), (14, 1129567), (43, 367766), (86, 183883), (109, 145082), (218, 72541), (241, 65618), (301, 52538), (482, 32809), (602, 26269), (763, 20726), (1526, 10363), (1687, 9374), (3374, 4687)]