19413719

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{719}}^1$

素因数の和:830

約数の個数: 16

約数和(自身を含む): 21934080

約数和(自身を除く): 2520361

約数列:

[1, 13, 31, 67, 403, 719, 871, 2077, 9347, 22289, 27001, 48173, 289757, 626249, 1493363, 19413719]

約数ペア:

[(1, 19413719), (13, 1493363), (31, 626249), (67, 289757), (403, 48173), (719, 27001), (871, 22289), (2077, 9347)]