19372775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{577}}^1$

素因数の和:683

約数の個数: 24

約数和(自身を含む): 25801920

約数和(自身を除く): 6429145

約数列:

[1, 5, 17, 25, 79, 85, 395, 425, 577, 1343, 1975, 2885, 6715, 9809, 14425, 33575, 45583, 49045, 227915, 245225, 774911, 1139575, 3874555, 19372775]

約数ペア:

[(1, 19372775), (5, 3874555), (17, 1139575), (25, 774911), (79, 245225), (85, 227915), (395, 49045), (425, 45583), (577, 33575), (1343, 14425), (1975, 9809), (2885, 6715)]