220173862

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{14449}}^1$

素因数の和:14871

約数の個数: 16

約数和(自身を含む): 348534000

約数和(自身を除く): 128360138

約数列:

[1, 2, 19, 38, 401, 802, 7619, 14449, 15238, 28898, 274531, 549062, 5794049, 11588098, 110086931, 220173862]

約数ペア:

[(1, 220173862), (2, 110086931), (19, 11588098), (38, 5794049), (401, 549062), (802, 274531), (7619, 28898), (14449, 15238)]