18734200

素因数分解:

$2^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{1993}}^1$

素因数の和:2056

約数の個数: 48

約数和(自身を含む): 44506080

約数和(自身を除く): 25771880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 188, 200, 235, 376, 470, 940, 1175, 1880, 1993, 2350, 3986, 4700, 7972, 9400, 9965, 15944, 19930, 39860, 49825, 79720, 93671, 99650, 187342, 199300, 374684, 398600, 468355, 749368, 936710, 1873420, 2341775, 3746840, 4683550, 9367100, 18734200]

約数ペア:

[(1, 18734200), (2, 9367100), (4, 4683550), (5, 3746840), (8, 2341775), (10, 1873420), (20, 936710), (25, 749368), (40, 468355), (47, 398600), (50, 374684), (94, 199300), (100, 187342), (188, 99650), (200, 93671), (235, 79720), (376, 49825), (470, 39860), (940, 19930), (1175, 15944), (1880, 9965), (1993, 9400), (2350, 7972), (3986, 4700)]