18977283

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2659}}^1$

素因数の和:2739

約数の個数: 24

約数和(自身を含む): 30015440

約数和(自身を除く): 11038157

約数列:

[1, 3, 9, 13, 39, 61, 117, 183, 549, 793, 2379, 2659, 7137, 7977, 23931, 34567, 103701, 162199, 311103, 486597, 1459791, 2108587, 6325761, 18977283]

約数ペア:

[(1, 18977283), (3, 6325761), (9, 2108587), (13, 1459791), (39, 486597), (61, 311103), (117, 162199), (183, 103701), (549, 34567), (793, 23931), (2379, 7977), (2659, 7137)]