19620237

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10267}}^1$

素因数の和:10297

約数の個数: 24

約数和(自身を含む): 32775456

約数和(自身を除く): 13155219

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 10267, 30801, 71869, 133471, 215607, 400413, 503083, 934297, 1509249, 2802891, 6540079, 19620237]

約数ペア:

[(1, 19620237), (3, 6540079), (7, 2802891), (13, 1509249), (21, 934297), (39, 503083), (49, 400413), (91, 215607), (147, 133471), (273, 71869), (637, 30801), (1911, 10267)]