18484140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4339}}^1$

素因数の和:4422

約数の個数: 48

約数和(自身を含む): 52496640

約数和(自身を除く): 34012500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 4339, 8678, 13017, 17356, 21695, 26034, 43390, 52068, 65085, 86780, 130170, 260340, 308069, 616138, 924207, 1232276, 1540345, 1848414, 3080690, 3696828, 4621035, 6161380, 9242070, 18484140]

約数ペア:

[(1, 18484140), (2, 9242070), (3, 6161380), (4, 4621035), (5, 3696828), (6, 3080690), (10, 1848414), (12, 1540345), (15, 1232276), (20, 924207), (30, 616138), (60, 308069), (71, 260340), (142, 130170), (213, 86780), (284, 65085), (355, 52068), (426, 43390), (710, 26034), (852, 21695), (1065, 17356), (1420, 13017), (2130, 8678), (4260, 4339)]