18571566

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{521}}^1$

素因数の和:996

約数の個数: 32

約数和(自身を含む): 40164768

約数和(自身を除く): 21593202

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 457, 521, 914, 1042, 1371, 1563, 2742, 3126, 5941, 6773, 11882, 13546, 17823, 20319, 35646, 40638, 238097, 476194, 714291, 1428582, 3095261, 6190522, 9285783, 18571566]

約数ペア:

[(1, 18571566), (2, 9285783), (3, 6190522), (6, 3095261), (13, 1428582), (26, 714291), (39, 476194), (78, 238097), (457, 40638), (521, 35646), (914, 20319), (1042, 17823), (1371, 13546), (1563, 11882), (2742, 6773), (3126, 5941)]