19713488

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{3413}}^1$

素因数の和:3459

約数の個数: 30

約数和(自身を含む): 40322754

約数和(自身を除く): 20609266

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1444, 2888, 3413, 5776, 6826, 13652, 27304, 54608, 64847, 129694, 259388, 518776, 1037552, 1232093, 2464186, 4928372, 9856744, 19713488]

約数ペア:

[(1, 19713488), (2, 9856744), (4, 4928372), (8, 2464186), (16, 1232093), (19, 1037552), (38, 518776), (76, 259388), (152, 129694), (304, 64847), (361, 54608), (722, 27304), (1444, 13652), (2888, 6826), (3413, 5776)]