18839716

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5059}}^1$

素因数の和:5096

約数の個数: 36

約数和(自身を含む): 40378800

約数和(自身を除く): 21539084

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 5059, 10118, 20236, 35413, 70826, 96121, 141652, 192242, 247891, 384484, 495782, 672847, 991564, 1345694, 2691388, 4709929, 9419858, 18839716]

約数ペア:

[(1, 18839716), (2, 9419858), (4, 4709929), (7, 2691388), (14, 1345694), (19, 991564), (28, 672847), (38, 495782), (49, 384484), (76, 247891), (98, 192242), (133, 141652), (196, 96121), (266, 70826), (532, 35413), (931, 20236), (1862, 10118), (3724, 5059)]