16112380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 36036000

約数和(自身を除く): 19923620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 380, 389, 436, 545, 778, 1090, 1556, 1945, 2071, 2180, 3890, 4142, 7391, 7780, 8284, 10355, 14782, 20710, 29564, 36955, 41420, 42401, 73910, 84802, 147820, 169604, 212005, 424010, 805619, 848020, 1611238, 3222476, 4028095, 8056190, 16112380]

約数ペア:

[(1, 16112380), (2, 8056190), (4, 4028095), (5, 3222476), (10, 1611238), (19, 848020), (20, 805619), (38, 424010), (76, 212005), (95, 169604), (109, 147820), (190, 84802), (218, 73910), (380, 42401), (389, 41420), (436, 36955), (545, 29564), (778, 20710), (1090, 14782), (1556, 10355), (1945, 8284), (2071, 7780), (2180, 7391), (3890, 4142)]