19138390

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{46679}}^1$

素因数の和:46727

約数の個数: 16

約数和(自身を含む): 35290080

約数和(自身を除く): 16151690

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 46679, 93358, 233395, 466790, 1913839, 3827678, 9569195, 19138390]

約数ペア:

[(1, 19138390), (2, 9569195), (5, 3827678), (10, 1913839), (41, 466790), (82, 233395), (205, 93358), (410, 46679)]