18202000

素因数分解:

$2^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{479}}^1$

素因数の和:521

約数の個数: 80

約数和(自身を含む): 46425600

約数和(自身を除く): 28223600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 125, 152, 190, 200, 250, 304, 380, 400, 475, 479, 500, 760, 950, 958, 1000, 1520, 1900, 1916, 2000, 2375, 2395, 3800, 3832, 4750, 4790, 7600, 7664, 9101, 9500, 9580, 11975, 18202, 19000, 19160, 23950, 36404, 38000, 38320, 45505, 47900, 59875, 72808, 91010, 95800, 119750, 145616, 182020, 191600, 227525, 239500, 364040, 455050, 479000, 728080, 910100, 958000, 1137625, 1820200, 2275250, 3640400, 4550500, 9101000, 18202000]

約数ペア:

[(1, 18202000), (2, 9101000), (4, 4550500), (5, 3640400), (8, 2275250), (10, 1820200), (16, 1137625), (19, 958000), (20, 910100), (25, 728080), (38, 479000), (40, 455050), (50, 364040), (76, 239500), (80, 227525), (95, 191600), (100, 182020), (125, 145616), (152, 119750), (190, 95800), (200, 91010), (250, 72808), (304, 59875), (380, 47900), (400, 45505), (475, 38320), (479, 38000), (500, 36404), (760, 23950), (950, 19160), (958, 19000), (1000, 18202), (1520, 11975), (1900, 9580), (1916, 9500), (2000, 9101), (2375, 7664), (2395, 7600), (3800, 4790), (3832, 4750)]