19414580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2689}}^1$

素因数の和:2736

約数の個数: 36

約数和(自身を含む): 43045380

約数和(自身を除く): 23630800

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 2689, 3610, 5378, 7220, 10756, 13445, 26890, 51091, 53780, 102182, 204364, 255455, 510910, 970729, 1021820, 1941458, 3882916, 4853645, 9707290, 19414580]

約数ペア:

[(1, 19414580), (2, 9707290), (4, 4853645), (5, 3882916), (10, 1941458), (19, 1021820), (20, 970729), (38, 510910), (76, 255455), (95, 204364), (190, 102182), (361, 53780), (380, 51091), (722, 26890), (1444, 13445), (1805, 10756), (2689, 7220), (3610, 5378)]