19908124

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6389}}^1$

素因数の和:6453

約数の個数: 24

約数和(自身を含む): 37573200

約数和(自身を除く): 17665076

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 6389, 12778, 25556, 121391, 242782, 261949, 485564, 523898, 1047796, 4977031, 9954062, 19908124]

約数ペア:

[(1, 19908124), (2, 9954062), (4, 4977031), (19, 1047796), (38, 523898), (41, 485564), (76, 261949), (82, 242782), (164, 121391), (779, 25556), (1558, 12778), (3116, 6389)]