18919310

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{65239}}^1$

素因数の和:65275

約数の個数: 16

約数和(自身を含む): 35229600

約数和(自身を除く): 16310290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 65239, 130478, 326195, 652390, 1891931, 3783862, 9459655, 18919310]

約数ペア:

[(1, 18919310), (2, 9459655), (5, 3783862), (10, 1891931), (29, 652390), (58, 326195), (145, 130478), (290, 65239)]