17913780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4327}}^1$

素因数の和:4365

約数の個数: 72

約数和(自身を含む): 56714112

約数和(自身を除く): 38800332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 4327, 8654, 12981, 17308, 21635, 25962, 38943, 43270, 51924, 64905, 77886, 86540, 99521, 129810, 155772, 194715, 199042, 259620, 298563, 389430, 398084, 497605, 597126, 778860, 895689, 995210, 1194252, 1492815, 1791378, 1990420, 2985630, 3582756, 4478445, 5971260, 8956890, 17913780]

約数ペア:

[(1, 17913780), (2, 8956890), (3, 5971260), (4, 4478445), (5, 3582756), (6, 2985630), (9, 1990420), (10, 1791378), (12, 1492815), (15, 1194252), (18, 995210), (20, 895689), (23, 778860), (30, 597126), (36, 497605), (45, 398084), (46, 389430), (60, 298563), (69, 259620), (90, 199042), (92, 194715), (115, 155772), (138, 129810), (180, 99521), (207, 86540), (230, 77886), (276, 64905), (345, 51924), (414, 43270), (460, 38943), (690, 25962), (828, 21635), (1035, 17308), (1380, 12981), (2070, 8654), (4140, 4327)]