19466080

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1367}}^1$

素因数の和:1471

約数の個数: 48

約数和(自身を含む): 46539360

約数和(自身を除く): 27073280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1367, 1424, 1780, 2734, 2848, 3560, 5468, 6835, 7120, 10936, 13670, 14240, 21872, 27340, 43744, 54680, 109360, 121663, 218720, 243326, 486652, 608315, 973304, 1216630, 1946608, 2433260, 3893216, 4866520, 9733040, 19466080]

約数ペア:

[(1, 19466080), (2, 9733040), (4, 4866520), (5, 3893216), (8, 2433260), (10, 1946608), (16, 1216630), (20, 973304), (32, 608315), (40, 486652), (80, 243326), (89, 218720), (160, 121663), (178, 109360), (356, 54680), (445, 43744), (712, 27340), (890, 21872), (1367, 14240), (1424, 13670), (1780, 10936), (2734, 7120), (2848, 6835), (3560, 5468)]