19802517

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{5857}}^1$

素因数の和:5897

約数の個数: 24

約数和(自身を含む): 32054976

約数和(自身を除く): 12252459

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 5857, 17571, 40999, 122997, 134711, 286993, 404133, 860979, 942977, 2828931, 6600839, 19802517]

約数ペア:

[(1, 19802517), (3, 6600839), (7, 2828931), (21, 942977), (23, 860979), (49, 404133), (69, 286993), (147, 134711), (161, 122997), (483, 40999), (1127, 17571), (3381, 5857)]