18725013

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{23}}^3$

素因数の和:100

約数の個数: 40

約数和(自身を含む): 30782400

約数和(自身を除く): 12057387

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 81, 171, 207, 437, 513, 529, 621, 1311, 1539, 1587, 1863, 3933, 4761, 10051, 11799, 12167, 14283, 30153, 35397, 36501, 42849, 90459, 109503, 231173, 271377, 328509, 693519, 814131, 985527, 2080557, 6241671, 18725013]

約数ペア:

[(1, 18725013), (3, 6241671), (9, 2080557), (19, 985527), (23, 814131), (27, 693519), (57, 328509), (69, 271377), (81, 231173), (171, 109503), (207, 90459), (437, 42849), (513, 36501), (529, 35397), (621, 30153), (1311, 14283), (1539, 12167), (1587, 11799), (1863, 10051), (3933, 4761)]