19038475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:447

約数の個数: 24

約数和(自身を含む): 25110000

約数和(自身を除く): 6071525

約数列:

[1, 5, 19, 25, 95, 149, 269, 475, 745, 1345, 2831, 3725, 5111, 6725, 14155, 25555, 40081, 70775, 127775, 200405, 761539, 1002025, 3807695, 19038475]

約数ペア:

[(1, 19038475), (5, 3807695), (19, 1002025), (25, 761539), (95, 200405), (149, 127775), (269, 70775), (475, 40081), (745, 25555), (1345, 14155), (2831, 6725), (3725, 5111)]