19933416

素因数分解:

$2^3\times 3^2\times {\mathrm{251}}^1\times {\mathrm{1103}}^1$

素因数の和:1366

約数の個数: 48

約数和(自身を含む): 54250560

約数和(自身を除く): 34317144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 251, 502, 753, 1004, 1103, 1506, 2008, 2206, 2259, 3012, 3309, 4412, 4518, 6024, 6618, 8824, 9036, 9927, 13236, 18072, 19854, 26472, 39708, 79416, 276853, 553706, 830559, 1107412, 1661118, 2214824, 2491677, 3322236, 4983354, 6644472, 9966708, 19933416]

約数ペア:

[(1, 19933416), (2, 9966708), (3, 6644472), (4, 4983354), (6, 3322236), (8, 2491677), (9, 2214824), (12, 1661118), (18, 1107412), (24, 830559), (36, 553706), (72, 276853), (251, 79416), (502, 39708), (753, 26472), (1004, 19854), (1103, 18072), (1506, 13236), (2008, 9927), (2206, 9036), (2259, 8824), (3012, 6618), (3309, 6024), (4412, 4518)]