18979380

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{5021}}^1$

素因数の和:5046

約数の個数: 96

約数和(自身を含む): 67495680

約数和(自身を除く): 48516300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 5021, 10042, 15063, 20084, 25105, 30126, 35147, 45189, 50210, 60252, 70294, 75315, 90378, 100420, 105441, 135567, 140588, 150630, 175735, 180756, 210882, 225945, 271134, 301260, 316323, 351470, 421764, 451890, 527205, 542268, 632646, 677835, 702940, 903780, 948969, 1054410, 1265292, 1355670, 1581615, 1897938, 2108820, 2711340, 3163230, 3795876, 4744845, 6326460, 9489690, 18979380]

約数ペア:

[(1, 18979380), (2, 9489690), (3, 6326460), (4, 4744845), (5, 3795876), (6, 3163230), (7, 2711340), (9, 2108820), (10, 1897938), (12, 1581615), (14, 1355670), (15, 1265292), (18, 1054410), (20, 948969), (21, 903780), (27, 702940), (28, 677835), (30, 632646), (35, 542268), (36, 527205), (42, 451890), (45, 421764), (54, 351470), (60, 316323), (63, 301260), (70, 271134), (84, 225945), (90, 210882), (105, 180756), (108, 175735), (126, 150630), (135, 140588), (140, 135567), (180, 105441), (189, 100420), (210, 90378), (252, 75315), (270, 70294), (315, 60252), (378, 50210), (420, 45189), (540, 35147), (630, 30126), (756, 25105), (945, 20084), (1260, 15063), (1890, 10042), (3780, 5021)]