19520730

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{367}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 52462080

約数和(自身を除く): 32941350

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 197, 270, 367, 394, 591, 734, 985, 1101, 1182, 1773, 1835, 1970, 2202, 2955, 3303, 3546, 3670, 5319, 5505, 5910, 6606, 8865, 9909, 10638, 11010, 16515, 17730, 19818, 26595, 33030, 49545, 53190, 72299, 99090, 144598, 216897, 361495, 433794, 650691, 722990, 1084485, 1301382, 1952073, 2168970, 3253455, 3904146, 6506910, 9760365, 19520730]

約数ペア:

[(1, 19520730), (2, 9760365), (3, 6506910), (5, 3904146), (6, 3253455), (9, 2168970), (10, 1952073), (15, 1301382), (18, 1084485), (27, 722990), (30, 650691), (45, 433794), (54, 361495), (90, 216897), (135, 144598), (197, 99090), (270, 72299), (367, 53190), (394, 49545), (591, 33030), (734, 26595), (985, 19818), (1101, 17730), (1182, 16515), (1773, 11010), (1835, 10638), (1970, 9909), (2202, 8865), (2955, 6606), (3303, 5910), (3546, 5505), (3670, 5319)]