18924269

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 24675840

約数和(自身を除く): 5751571

約数列:

[1, 7, 13, 29, 71, 91, 101, 203, 377, 497, 707, 923, 1313, 2059, 2639, 2929, 6461, 7171, 9191, 14413, 20503, 26767, 38077, 50197, 93223, 187369, 207959, 266539, 652561, 1455713, 2703467, 18924269]

約数ペア:

[(1, 18924269), (7, 2703467), (13, 1455713), (29, 652561), (71, 266539), (91, 207959), (101, 187369), (203, 93223), (377, 50197), (497, 38077), (707, 26767), (923, 20503), (1313, 14413), (2059, 9191), (2639, 7171), (2929, 6461)]