17318380

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 37537920

約数和(自身を除く): 20219540

約数列:

[1, 2, 4, 5, 10, 20, 79, 97, 113, 158, 194, 226, 316, 388, 395, 452, 485, 565, 790, 970, 1130, 1580, 1940, 2260, 7663, 8927, 10961, 15326, 17854, 21922, 30652, 35708, 38315, 43844, 44635, 54805, 76630, 89270, 109610, 153260, 178540, 219220, 865919, 1731838, 3463676, 4329595, 8659190, 17318380]

約数ペア:

[(1, 17318380), (2, 8659190), (4, 4329595), (5, 3463676), (10, 1731838), (20, 865919), (79, 219220), (97, 178540), (113, 153260), (158, 109610), (194, 89270), (226, 76630), (316, 54805), (388, 44635), (395, 43844), (452, 38315), (485, 35708), (565, 30652), (790, 21922), (970, 17854), (1130, 15326), (1580, 10961), (1940, 8927), (2260, 7663)]