19879330

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{557}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 37122624

約数和(自身を除く): 17243294

約数列:

[1, 2, 5, 10, 43, 83, 86, 166, 215, 415, 430, 557, 830, 1114, 2785, 3569, 5570, 7138, 17845, 23951, 35690, 46231, 47902, 92462, 119755, 231155, 239510, 462310, 1987933, 3975866, 9939665, 19879330]

約数ペア:

[(1, 19879330), (2, 9939665), (5, 3975866), (10, 1987933), (43, 462310), (83, 239510), (86, 231155), (166, 119755), (215, 92462), (415, 47902), (430, 46231), (557, 35690), (830, 23951), (1114, 17845), (2785, 7138), (3569, 5570)]