18481995

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2551}}^1$

素因数の和:2592

約数の個数: 48

約数和(自身を含む): 38218752

約数和(自身を除く): 19736757

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 63, 69, 105, 115, 161, 207, 315, 345, 483, 805, 1035, 1449, 2415, 2551, 7245, 7653, 12755, 17857, 22959, 38265, 53571, 58673, 89285, 114795, 160713, 176019, 267855, 293365, 410711, 528057, 803565, 880095, 1232133, 2053555, 2640285, 3696399, 6160665, 18481995]

約数ペア:

[(1, 18481995), (3, 6160665), (5, 3696399), (7, 2640285), (9, 2053555), (15, 1232133), (21, 880095), (23, 803565), (35, 528057), (45, 410711), (63, 293365), (69, 267855), (105, 176019), (115, 160713), (161, 114795), (207, 89285), (315, 58673), (345, 53571), (483, 38265), (805, 22959), (1035, 17857), (1449, 12755), (2415, 7653), (2551, 7245)]