19172240

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{5099}}^1$

素因数の和:5159

約数の個数: 40

約数和(自身を含む): 45532800

約数和(自身を除く): 26360560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 5099, 10198, 20396, 25495, 40792, 50990, 81584, 101980, 203960, 239653, 407920, 479306, 958612, 1198265, 1917224, 2396530, 3834448, 4793060, 9586120, 19172240]

約数ペア:

[(1, 19172240), (2, 9586120), (4, 4793060), (5, 3834448), (8, 2396530), (10, 1917224), (16, 1198265), (20, 958612), (40, 479306), (47, 407920), (80, 239653), (94, 203960), (188, 101980), (235, 81584), (376, 50990), (470, 40792), (752, 25495), (940, 20396), (1880, 10198), (3760, 5099)]