16873940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{619}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 37497600

約数和(自身を除く): 20623660

約数列:

[1, 2, 4, 5, 10, 20, 29, 47, 58, 94, 116, 145, 188, 235, 290, 470, 580, 619, 940, 1238, 1363, 2476, 2726, 3095, 5452, 6190, 6815, 12380, 13630, 17951, 27260, 29093, 35902, 58186, 71804, 89755, 116372, 145465, 179510, 290930, 359020, 581860, 843697, 1687394, 3374788, 4218485, 8436970, 16873940]

約数ペア:

[(1, 16873940), (2, 8436970), (4, 4218485), (5, 3374788), (10, 1687394), (20, 843697), (29, 581860), (47, 359020), (58, 290930), (94, 179510), (116, 145465), (145, 116372), (188, 89755), (235, 71804), (290, 58186), (470, 35902), (580, 29093), (619, 27260), (940, 17951), (1238, 13630), (1363, 12380), (2476, 6815), (2726, 6190), (3095, 5452)]