18430399

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:175

約数の個数: 32

約数和(自身を含む): 22579200

約数和(自身を除く): 4148801

約数列:

[1, 13, 19, 29, 31, 83, 247, 377, 403, 551, 589, 899, 1079, 1577, 2407, 2573, 7163, 7657, 11687, 17081, 20501, 31291, 33449, 45733, 48887, 74617, 222053, 594529, 635531, 970021, 1417723, 18430399]

約数ペア:

[(1, 18430399), (13, 1417723), (19, 970021), (29, 635531), (31, 594529), (83, 222053), (247, 74617), (377, 48887), (403, 45733), (551, 33449), (589, 31291), (899, 20501), (1079, 17081), (1577, 11687), (2407, 7657), (2573, 7163)]