18156900112

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{709}}^1\times {\mathrm{123121}}^1$

素因数の和:123851

約数の個数: 40

約数和(自身を含む): 37938813080

約数和(自身を除く): 19781912968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 709, 1418, 2836, 5672, 9217, 11344, 18434, 36868, 73736, 123121, 147472, 246242, 492484, 984968, 1600573, 1969936, 3201146, 6402292, 12804584, 25609168, 87292789, 174585578, 349171156, 698342312, 1134806257, 1396684624, 2269612514, 4539225028, 9078450056, 18156900112]

約数ペア:

[(1, 18156900112), (2, 9078450056), (4, 4539225028), (8, 2269612514), (13, 1396684624), (16, 1134806257), (26, 698342312), (52, 349171156), (104, 174585578), (208, 87292789), (709, 25609168), (1418, 12804584), (2836, 6402292), (5672, 3201146), (9217, 1969936), (11344, 1600573), (18434, 984968), (36868, 492484), (73736, 246242), (123121, 147472)]