20181645

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40771}}^1$

素因数の和:40793

約数の個数: 24

約数和(自身を含む): 38162592

約数和(自身を除く): 17980947

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 40771, 122313, 203855, 366939, 448481, 611565, 1345443, 1834695, 2242405, 4036329, 6727215, 20181645]

約数ペア:

[(1, 20181645), (3, 6727215), (5, 4036329), (9, 2242405), (11, 1834695), (15, 1345443), (33, 611565), (45, 448481), (55, 366939), (99, 203855), (165, 122313), (495, 40771)]