19391814

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1049}}^1$

素因数の和:1149

約数の個数: 48

約数和(自身を含む): 45864000

約数和(自身を除く): 26472186

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 79, 117, 158, 234, 237, 474, 711, 1027, 1049, 1422, 2054, 2098, 3081, 3147, 6162, 6294, 9243, 9441, 13637, 18486, 18882, 27274, 40911, 81822, 82871, 122733, 165742, 245466, 248613, 497226, 745839, 1077323, 1491678, 2154646, 3231969, 6463938, 9695907, 19391814]

約数ペア:

[(1, 19391814), (2, 9695907), (3, 6463938), (6, 3231969), (9, 2154646), (13, 1491678), (18, 1077323), (26, 745839), (39, 497226), (78, 248613), (79, 245466), (117, 165742), (158, 122733), (234, 82871), (237, 81822), (474, 40911), (711, 27274), (1027, 18882), (1049, 18486), (1422, 13637), (2054, 9441), (2098, 9243), (3081, 6294), (3147, 6162)]