19887435

素因数分解:

$3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3911}}^1$

素因数の和:4035

約数の個数: 24

約数和(自身を含む): 34785504

約数和(自身を除く): 14898069

約数列:

[1, 3, 5, 9, 15, 45, 113, 339, 565, 1017, 1695, 3911, 5085, 11733, 19555, 35199, 58665, 175995, 441943, 1325829, 2209715, 3977487, 6629145, 19887435]

約数ペア:

[(1, 19887435), (3, 6629145), (5, 3977487), (9, 2209715), (15, 1325829), (45, 441943), (113, 175995), (339, 58665), (565, 35199), (1017, 19555), (1695, 11733), (3911, 5085)]