18970430

素因数分解:

$2^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{3727}}^1$

素因数の和:4243

約数の個数: 16

約数和(自身を含む): 34223040

約数和(自身を除く): 15252610

約数列:

[1, 2, 5, 10, 509, 1018, 2545, 3727, 5090, 7454, 18635, 37270, 1897043, 3794086, 9485215, 18970430]

約数ペア:

[(1, 18970430), (2, 9485215), (5, 3794086), (10, 1897043), (509, 37270), (1018, 18635), (2545, 7454), (3727, 5090)]