18397990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1459}}^1$

素因数の和:1576

約数の個数: 32

約数和(自身を含む): 36056160

約数和(自身を除く): 17658170

約数列:

[1, 2, 5, 10, 13, 26, 65, 97, 130, 194, 485, 970, 1261, 1459, 2522, 2918, 6305, 7295, 12610, 14590, 18967, 37934, 94835, 141523, 189670, 283046, 707615, 1415230, 1839799, 3679598, 9198995, 18397990]

約数ペア:

[(1, 18397990), (2, 9198995), (5, 3679598), (10, 1839799), (13, 1415230), (26, 707615), (65, 283046), (97, 189670), (130, 141523), (194, 94835), (485, 37934), (970, 18967), (1261, 14590), (1459, 12610), (2522, 7295), (2918, 6305)]