18219795

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4801}}^1$

素因数の和:4843

約数の個数: 32

約数和(自身を含む): 33191424

約数和(自身を除く): 14971629

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 3795, 4801, 14403, 24005, 52811, 72015, 110423, 158433, 264055, 331269, 552115, 792165, 1214653, 1656345, 3643959, 6073265, 18219795]

約数ペア:

[(1, 18219795), (3, 6073265), (5, 3643959), (11, 1656345), (15, 1214653), (23, 792165), (33, 552115), (55, 331269), (69, 264055), (115, 158433), (165, 110423), (253, 72015), (345, 52811), (759, 24005), (1265, 14403), (3795, 4801)]