16578918

素因数分解:

$2^1\times 3^6\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:240

約数の個数: 56

約数和(自身を含む): 38010168

約数和(自身を除く): 21431250

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 83, 137, 162, 166, 243, 249, 274, 411, 486, 498, 729, 747, 822, 1233, 1458, 1494, 2241, 2466, 3699, 4482, 6723, 7398, 11097, 11371, 13446, 20169, 22194, 22742, 33291, 34113, 40338, 60507, 66582, 68226, 99873, 102339, 121014, 199746, 204678, 307017, 614034, 921051, 1842102, 2763153, 5526306, 8289459, 16578918]

約数ペア:

[(1, 16578918), (2, 8289459), (3, 5526306), (6, 2763153), (9, 1842102), (18, 921051), (27, 614034), (54, 307017), (81, 204678), (83, 199746), (137, 121014), (162, 102339), (166, 99873), (243, 68226), (249, 66582), (274, 60507), (411, 40338), (486, 34113), (498, 33291), (729, 22742), (747, 22194), (822, 20169), (1233, 13446), (1458, 11371), (1494, 11097), (2241, 7398), (2466, 6723), (3699, 4482)]