18121992

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{401}}^1$

素因数の和:686

約数の個数: 64

約数和(自身を含む): 52099200

約数和(自身を除く): 33977208

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 269, 401, 538, 802, 807, 1076, 1203, 1604, 1614, 1883, 2152, 2406, 2807, 3208, 3228, 3766, 4812, 5614, 5649, 6456, 7532, 8421, 9624, 11228, 11298, 15064, 16842, 22456, 22596, 33684, 45192, 67368, 107869, 215738, 323607, 431476, 647214, 755083, 862952, 1294428, 1510166, 2265249, 2588856, 3020332, 4530498, 6040664, 9060996, 18121992]

約数ペア:

[(1, 18121992), (2, 9060996), (3, 6040664), (4, 4530498), (6, 3020332), (7, 2588856), (8, 2265249), (12, 1510166), (14, 1294428), (21, 862952), (24, 755083), (28, 647214), (42, 431476), (56, 323607), (84, 215738), (168, 107869), (269, 67368), (401, 45192), (538, 33684), (802, 22596), (807, 22456), (1076, 16842), (1203, 15064), (1604, 11298), (1614, 11228), (1883, 9624), (2152, 8421), (2406, 7532), (2807, 6456), (3208, 5649), (3228, 5614), (3766, 4812)]