18726393

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 30099456

約数和(自身を除く): 11373063

約数列:

[1, 3, 7, 21, 23, 69, 137, 161, 283, 411, 483, 849, 959, 1981, 2877, 3151, 5943, 6509, 9453, 19527, 22057, 38771, 45563, 66171, 116313, 136689, 271397, 814191, 891733, 2675199, 6242131, 18726393]

約数ペア:

[(1, 18726393), (3, 6242131), (7, 2675199), (21, 891733), (23, 814191), (69, 271397), (137, 136689), (161, 116313), (283, 66171), (411, 45563), (483, 38771), (849, 22057), (959, 19527), (1981, 9453), (2877, 6509), (3151, 5943)]