18351368

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7621}}^1$

素因数の和:7677

約数の個数: 32

約数和(自身を含む): 40244160

約数和(自身を除く): 21892792

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 7621, 15242, 30484, 53347, 60968, 106694, 213388, 327703, 426776, 655406, 1310812, 2293921, 2621624, 4587842, 9175684, 18351368]

約数ペア:

[(1, 18351368), (2, 9175684), (4, 4587842), (7, 2621624), (8, 2293921), (14, 1310812), (28, 655406), (43, 426776), (56, 327703), (86, 213388), (172, 106694), (301, 60968), (344, 53347), (602, 30484), (1204, 15242), (2408, 7621)]