18394000

素因数分解:

$2^4\times 5^3\times {\mathrm{17}}^1\times {\mathrm{541}}^1$

素因数の和:581

約数の個数: 80

約数和(自身を含む): 47180016

約数和(自身を除く): 28786016

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 125, 136, 170, 200, 250, 272, 340, 400, 425, 500, 541, 680, 850, 1000, 1082, 1360, 1700, 2000, 2125, 2164, 2705, 3400, 4250, 4328, 5410, 6800, 8500, 8656, 9197, 10820, 13525, 17000, 18394, 21640, 27050, 34000, 36788, 43280, 45985, 54100, 67625, 73576, 91970, 108200, 135250, 147152, 183940, 216400, 229925, 270500, 367880, 459850, 541000, 735760, 919700, 1082000, 1149625, 1839400, 2299250, 3678800, 4598500, 9197000, 18394000]

約数ペア:

[(1, 18394000), (2, 9197000), (4, 4598500), (5, 3678800), (8, 2299250), (10, 1839400), (16, 1149625), (17, 1082000), (20, 919700), (25, 735760), (34, 541000), (40, 459850), (50, 367880), (68, 270500), (80, 229925), (85, 216400), (100, 183940), (125, 147152), (136, 135250), (170, 108200), (200, 91970), (250, 73576), (272, 67625), (340, 54100), (400, 45985), (425, 43280), (500, 36788), (541, 34000), (680, 27050), (850, 21640), (1000, 18394), (1082, 17000), (1360, 13525), (1700, 10820), (2000, 9197), (2125, 8656), (2164, 8500), (2705, 6800), (3400, 5410), (4250, 4328)]