18831285

素因数分解:

$3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1409}}^1$

素因数の和:1440

約数の個数: 48

約数和(自身を含む): 36953280

約数和(自身を除く): 18121995

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 243, 297, 405, 495, 891, 1215, 1409, 1485, 2673, 4227, 4455, 7045, 12681, 13365, 15499, 21135, 38043, 46497, 63405, 77495, 114129, 139491, 190215, 232485, 342387, 418473, 570645, 697455, 1255419, 1711935, 2092365, 3766257, 6277095, 18831285]

約数ペア:

[(1, 18831285), (3, 6277095), (5, 3766257), (9, 2092365), (11, 1711935), (15, 1255419), (27, 697455), (33, 570645), (45, 418473), (55, 342387), (81, 232485), (99, 190215), (135, 139491), (165, 114129), (243, 77495), (297, 63405), (405, 46497), (495, 38043), (891, 21135), (1215, 15499), (1409, 13365), (1485, 12681), (2673, 7045), (4227, 4455)]