18242220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13219}}^1$

素因数の和:13254

約数の個数: 48

約数和(自身を含む): 53303040

約数和(自身を除く): 35060820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 13219, 26438, 39657, 52876, 66095, 79314, 132190, 158628, 198285, 264380, 304037, 396570, 608074, 793140, 912111, 1216148, 1520185, 1824222, 3040370, 3648444, 4560555, 6080740, 9121110, 18242220]

約数ペア:

[(1, 18242220), (2, 9121110), (3, 6080740), (4, 4560555), (5, 3648444), (6, 3040370), (10, 1824222), (12, 1520185), (15, 1216148), (20, 912111), (23, 793140), (30, 608074), (46, 396570), (60, 304037), (69, 264380), (92, 198285), (115, 158628), (138, 132190), (230, 79314), (276, 66095), (345, 52876), (460, 39657), (690, 26438), (1380, 13219)]