19657270

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{115631}}^1$

素因数の和:115655

約数の個数: 16

約数和(自身を含む): 37464768

約数和(自身を除く): 17807498

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 115631, 231262, 578155, 1156310, 1965727, 3931454, 9828635, 19657270]

約数ペア:

[(1, 19657270), (2, 9828635), (5, 3931454), (10, 1965727), (17, 1156310), (34, 578155), (85, 231262), (170, 115631)]