9638890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{523}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 18486720

約数和(自身を除く): 8847830

約数列:

[1, 2, 5, 10, 19, 38, 95, 97, 190, 194, 485, 523, 970, 1046, 1843, 2615, 3686, 5230, 9215, 9937, 18430, 19874, 49685, 50731, 99370, 101462, 253655, 507310, 963889, 1927778, 4819445, 9638890]

約数ペア:

[(1, 9638890), (2, 4819445), (5, 1927778), (10, 963889), (19, 507310), (38, 253655), (95, 101462), (97, 99370), (190, 50731), (194, 49685), (485, 19874), (523, 18430), (970, 9937), (1046, 9215), (1843, 5230), (2615, 3686)]