18883575

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 36560160

約数和(自身を除く): 17676585

約数列:

[1, 3, 5, 9, 15, 23, 25, 41, 45, 69, 75, 89, 115, 123, 205, 207, 225, 267, 345, 369, 445, 575, 615, 801, 943, 1025, 1035, 1335, 1725, 1845, 2047, 2225, 2829, 3075, 3649, 4005, 4715, 5175, 6141, 6675, 8487, 9225, 10235, 10947, 14145, 18245, 18423, 20025, 23575, 30705, 32841, 42435, 51175, 54735, 70725, 83927, 91225, 92115, 153525, 164205, 212175, 251781, 273675, 419635, 460575, 755343, 821025, 1258905, 2098175, 3776715, 6294525, 18883575]

約数ペア:

[(1, 18883575), (3, 6294525), (5, 3776715), (9, 2098175), (15, 1258905), (23, 821025), (25, 755343), (41, 460575), (45, 419635), (69, 273675), (75, 251781), (89, 212175), (115, 164205), (123, 153525), (205, 92115), (207, 91225), (225, 83927), (267, 70725), (345, 54735), (369, 51175), (445, 42435), (575, 32841), (615, 30705), (801, 23575), (943, 20025), (1025, 18423), (1035, 18245), (1335, 14145), (1725, 10947), (1845, 10235), (2047, 9225), (2225, 8487), (2829, 6675), (3075, 6141), (3649, 5175), (4005, 4715)]