18891468

素因数分解:

$2^2\times 3^4\times {\mathrm{199}}^1\times {\mathrm{293}}^1$

素因数の和:508

約数の個数: 60

約数和(自身を含む): 49803600

約数和(自身を除く): 30912132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 199, 293, 324, 398, 586, 597, 796, 879, 1172, 1194, 1758, 1791, 2388, 2637, 3516, 3582, 5274, 5373, 7164, 7911, 10548, 10746, 15822, 16119, 21492, 23733, 31644, 32238, 47466, 58307, 64476, 94932, 116614, 174921, 233228, 349842, 524763, 699684, 1049526, 1574289, 2099052, 3148578, 4722867, 6297156, 9445734, 18891468]

約数ペア:

[(1, 18891468), (2, 9445734), (3, 6297156), (4, 4722867), (6, 3148578), (9, 2099052), (12, 1574289), (18, 1049526), (27, 699684), (36, 524763), (54, 349842), (81, 233228), (108, 174921), (162, 116614), (199, 94932), (293, 64476), (324, 58307), (398, 47466), (586, 32238), (597, 31644), (796, 23733), (879, 21492), (1172, 16119), (1194, 15822), (1758, 10746), (1791, 10548), (2388, 7911), (2637, 7164), (3516, 5373), (3582, 5274)]