19700506

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:358

約数の個数: 32

約数和(自身を含む): 34715520

約数和(自身を除く): 15015014

約数列:

[1, 2, 7, 14, 89, 97, 163, 178, 194, 326, 623, 679, 1141, 1246, 1358, 2282, 8633, 14507, 15811, 17266, 29014, 31622, 60431, 101549, 110677, 120862, 203098, 221354, 1407179, 2814358, 9850253, 19700506]

約数ペア:

[(1, 19700506), (2, 9850253), (7, 2814358), (14, 1407179), (89, 221354), (97, 203098), (163, 120862), (178, 110677), (194, 101549), (326, 60431), (623, 31622), (679, 29014), (1141, 17266), (1246, 15811), (1358, 14507), (2282, 8633)]