19807827

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{4931}}^1$

素因数の和:5050

約数の個数: 16

約数和(自身を含む): 28723968

約数和(自身を除く): 8916141

約数列:

[1, 3, 13, 39, 103, 309, 1339, 4017, 4931, 14793, 64103, 192309, 507893, 1523679, 6602609, 19807827]

約数ペア:

[(1, 19807827), (3, 6602609), (13, 1523679), (39, 507893), (103, 192309), (309, 64103), (1339, 14793), (4017, 4931)]