18193575

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 32140800

約数和(自身を除く): 13947225

約数列:

[1, 3, 5, 15, 23, 25, 53, 69, 75, 115, 159, 199, 265, 345, 575, 597, 795, 995, 1219, 1325, 1725, 2985, 3657, 3975, 4577, 4975, 6095, 10547, 13731, 14925, 18285, 22885, 30475, 31641, 52735, 68655, 91425, 114425, 158205, 242581, 263675, 343275, 727743, 791025, 1212905, 3638715, 6064525, 18193575]

約数ペア:

[(1, 18193575), (3, 6064525), (5, 3638715), (15, 1212905), (23, 791025), (25, 727743), (53, 343275), (69, 263675), (75, 242581), (115, 158205), (159, 114425), (199, 91425), (265, 68655), (345, 52735), (575, 31641), (597, 30475), (795, 22885), (995, 18285), (1219, 14925), (1325, 13731), (1725, 10547), (2985, 6095), (3657, 4975), (3975, 4577)]