18182944

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{401}}^1$

素因数の和:533

約数の個数: 48

約数和(自身を含む): 39002040

約数和(自身を除く): 20819096

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 109, 208, 218, 401, 416, 436, 802, 872, 1417, 1604, 1744, 2834, 3208, 3488, 5213, 5668, 6416, 10426, 11336, 12832, 20852, 22672, 41704, 43709, 45344, 83408, 87418, 166816, 174836, 349672, 568217, 699344, 1136434, 1398688, 2272868, 4545736, 9091472, 18182944]

約数ペア:

[(1, 18182944), (2, 9091472), (4, 4545736), (8, 2272868), (13, 1398688), (16, 1136434), (26, 699344), (32, 568217), (52, 349672), (104, 174836), (109, 166816), (208, 87418), (218, 83408), (401, 45344), (416, 43709), (436, 41704), (802, 22672), (872, 20852), (1417, 12832), (1604, 11336), (1744, 10426), (2834, 6416), (3208, 5668), (3488, 5213)]