19159510

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2621}}^1$

素因数の和:2688

約数の個数: 32

約数和(自身を含む): 37379232

約数和(自身を除く): 18219722

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 430, 731, 1462, 2621, 3655, 5242, 7310, 13105, 26210, 44557, 89114, 112703, 222785, 225406, 445570, 563515, 1127030, 1915951, 3831902, 9579755, 19159510]

約数ペア:

[(1, 19159510), (2, 9579755), (5, 3831902), (10, 1915951), (17, 1127030), (34, 563515), (43, 445570), (85, 225406), (86, 222785), (170, 112703), (215, 89114), (430, 44557), (731, 26210), (1462, 13105), (2621, 7310), (3655, 5242)]