18825261

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{9851}}^1$

素因数の和:9881

約数の個数: 24

約数和(自身を含む): 31447584

約数和(自身を除く): 12622323

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 9851, 29553, 68957, 128063, 206871, 384189, 482699, 896441, 1448097, 2689323, 6275087, 18825261]

約数ペア:

[(1, 18825261), (3, 6275087), (7, 2689323), (13, 1448097), (21, 896441), (39, 482699), (49, 384189), (91, 206871), (147, 128063), (273, 68957), (637, 29553), (1911, 9851)]