18887102

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:237

約数の個数: 48

約数和(自身を含む): 34389360

約数和(自身を除く): 15502258

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 169, 173, 221, 247, 323, 338, 346, 442, 494, 646, 2249, 2873, 2941, 3211, 3287, 4199, 4498, 5746, 5882, 6422, 6574, 8398, 29237, 38233, 42731, 54587, 55879, 58474, 76466, 85462, 109174, 111758, 497029, 555503, 726427, 994058, 1111006, 1452854, 9443551, 18887102]

約数ペア:

[(1, 18887102), (2, 9443551), (13, 1452854), (17, 1111006), (19, 994058), (26, 726427), (34, 555503), (38, 497029), (169, 111758), (173, 109174), (221, 85462), (247, 76466), (323, 58474), (338, 55879), (346, 54587), (442, 42731), (494, 38233), (646, 29237), (2249, 8398), (2873, 6574), (2941, 6422), (3211, 5882), (3287, 5746), (4199, 4498)]