18386000

素因数分解:

$2^4\times 5^3\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:369

約数の個数: 80

約数和(自身を含む): 46135440

約数和(自身を除く): 27749440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 116, 125, 145, 200, 232, 250, 290, 317, 400, 464, 500, 580, 634, 725, 1000, 1160, 1268, 1450, 1585, 2000, 2320, 2536, 2900, 3170, 3625, 5072, 5800, 6340, 7250, 7925, 9193, 11600, 12680, 14500, 15850, 18386, 25360, 29000, 31700, 36772, 39625, 45965, 58000, 63400, 73544, 79250, 91930, 126800, 147088, 158500, 183860, 229825, 317000, 367720, 459650, 634000, 735440, 919300, 1149125, 1838600, 2298250, 3677200, 4596500, 9193000, 18386000]

約数ペア:

[(1, 18386000), (2, 9193000), (4, 4596500), (5, 3677200), (8, 2298250), (10, 1838600), (16, 1149125), (20, 919300), (25, 735440), (29, 634000), (40, 459650), (50, 367720), (58, 317000), (80, 229825), (100, 183860), (116, 158500), (125, 147088), (145, 126800), (200, 91930), (232, 79250), (250, 73544), (290, 63400), (317, 58000), (400, 45965), (464, 39625), (500, 36772), (580, 31700), (634, 29000), (725, 25360), (1000, 18386), (1160, 15850), (1268, 14500), (1450, 12680), (1585, 11600), (2000, 9193), (2320, 7925), (2536, 7250), (2900, 6340), (3170, 5800), (3625, 5072)]