18945444

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{5501}}^1$

素因数の和:5556

約数の個数: 48

約数和(自身を含む): 51762816

約数和(自身を除く): 32817372

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 82, 84, 123, 164, 246, 287, 492, 574, 861, 1148, 1722, 3444, 5501, 11002, 16503, 22004, 33006, 38507, 66012, 77014, 115521, 154028, 225541, 231042, 451082, 462084, 676623, 902164, 1353246, 1578787, 2706492, 3157574, 4736361, 6315148, 9472722, 18945444]

約数ペア:

[(1, 18945444), (2, 9472722), (3, 6315148), (4, 4736361), (6, 3157574), (7, 2706492), (12, 1578787), (14, 1353246), (21, 902164), (28, 676623), (41, 462084), (42, 451082), (82, 231042), (84, 225541), (123, 154028), (164, 115521), (246, 77014), (287, 66012), (492, 38507), (574, 33006), (861, 22004), (1148, 16503), (1722, 11002), (3444, 5501)]