19223080

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3061}}^1$

素因数の和:3229

約数の個数: 32

約数和(自身を含む): 43541640

約数和(自身を除く): 24318560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3061, 3140, 6122, 6280, 12244, 15305, 24488, 30610, 61220, 122440, 480577, 961154, 1922308, 2402885, 3844616, 4805770, 9611540, 19223080]

約数ペア:

[(1, 19223080), (2, 9611540), (4, 4805770), (5, 3844616), (8, 2402885), (10, 1922308), (20, 961154), (40, 480577), (157, 122440), (314, 61220), (628, 30610), (785, 24488), (1256, 15305), (1570, 12244), (3061, 6280), (3140, 6122)]