18215500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{2143}}^1$

素因数の和:2179

約数の個数: 48

約数和(自身を含む): 42142464

約数和(自身を除く): 23926964

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 850, 1700, 2125, 2143, 4250, 4286, 8500, 8572, 10715, 21430, 36431, 42860, 53575, 72862, 107150, 145724, 182155, 214300, 267875, 364310, 535750, 728620, 910775, 1071500, 1821550, 3643100, 4553875, 9107750, 18215500]

約数ペア:

[(1, 18215500), (2, 9107750), (4, 4553875), (5, 3643100), (10, 1821550), (17, 1071500), (20, 910775), (25, 728620), (34, 535750), (50, 364310), (68, 267875), (85, 214300), (100, 182155), (125, 145724), (170, 107150), (250, 72862), (340, 53575), (425, 42860), (500, 36431), (850, 21430), (1700, 10715), (2125, 8572), (2143, 8500), (4250, 4286)]