19856938

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:574

約数の個数: 32

約数和(自身を含む): 33379200

約数和(自身を除く): 13522262

約数列:

[1, 2, 19, 29, 37, 38, 58, 74, 487, 551, 703, 974, 1073, 1102, 1406, 2146, 9253, 14123, 18019, 18506, 20387, 28246, 36038, 40774, 268337, 342361, 522551, 536674, 684722, 1045102, 9928469, 19856938]

約数ペア:

[(1, 19856938), (2, 9928469), (19, 1045102), (29, 684722), (37, 536674), (38, 522551), (58, 342361), (74, 268337), (487, 40774), (551, 36038), (703, 28246), (974, 20387), (1073, 18506), (1102, 18019), (1406, 14123), (2146, 9253)]