18497570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20327}}^1$

素因数の和:20354

約数の個数: 32

約数和(自身を含む): 40981248

約数和(自身を除く): 22483678

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 20327, 40654, 101635, 142289, 203270, 264251, 284578, 528502, 711445, 1321255, 1422890, 1849757, 2642510, 3699514, 9248785, 18497570]

約数ペア:

[(1, 18497570), (2, 9248785), (5, 3699514), (7, 2642510), (10, 1849757), (13, 1422890), (14, 1321255), (26, 711445), (35, 528502), (65, 284578), (70, 264251), (91, 203270), (130, 142289), (182, 101635), (455, 40654), (910, 20327)]