19478600

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^2\times {\mathrm{337}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 48251190

約数和(自身を除く): 28772590

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 289, 337, 340, 425, 578, 674, 680, 850, 1156, 1348, 1445, 1685, 1700, 2312, 2696, 2890, 3370, 3400, 5729, 5780, 6740, 7225, 8425, 11458, 11560, 13480, 14450, 16850, 22916, 28645, 28900, 33700, 45832, 57290, 57800, 67400, 97393, 114580, 143225, 194786, 229160, 286450, 389572, 486965, 572900, 779144, 973930, 1145800, 1947860, 2434825, 3895720, 4869650, 9739300, 19478600]

約数ペア:

[(1, 19478600), (2, 9739300), (4, 4869650), (5, 3895720), (8, 2434825), (10, 1947860), (17, 1145800), (20, 973930), (25, 779144), (34, 572900), (40, 486965), (50, 389572), (68, 286450), (85, 229160), (100, 194786), (136, 143225), (170, 114580), (200, 97393), (289, 67400), (337, 57800), (340, 57290), (425, 45832), (578, 33700), (674, 28900), (680, 28645), (850, 22916), (1156, 16850), (1348, 14450), (1445, 13480), (1685, 11560), (1700, 11458), (2312, 8425), (2696, 7225), (2890, 6740), (3370, 5780), (3400, 5729)]