15985688

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{419}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 31752000

約数和(自身を除く): 15766312

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 251, 419, 502, 838, 1004, 1676, 2008, 3352, 4769, 7961, 9538, 15922, 19076, 31844, 38152, 63688, 105169, 210338, 420676, 841352, 1998211, 3996422, 7992844, 15985688]

約数ペア:

[(1, 15985688), (2, 7992844), (4, 3996422), (8, 1998211), (19, 841352), (38, 420676), (76, 210338), (152, 105169), (251, 63688), (419, 38152), (502, 31844), (838, 19076), (1004, 15922), (1676, 9538), (2008, 7961), (3352, 4769)]