19173780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{35507}}^1$

素因数の和:35525

約数の個数: 48

約数和(自身を含む): 59653440

約数和(自身を除く): 40479660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 35507, 71014, 106521, 142028, 177535, 213042, 319563, 355070, 426084, 532605, 639126, 710140, 958689, 1065210, 1278252, 1597815, 1917378, 2130420, 3195630, 3834756, 4793445, 6391260, 9586890, 19173780]

約数ペア:

[(1, 19173780), (2, 9586890), (3, 6391260), (4, 4793445), (5, 3834756), (6, 3195630), (9, 2130420), (10, 1917378), (12, 1597815), (15, 1278252), (18, 1065210), (20, 958689), (27, 710140), (30, 639126), (36, 532605), (45, 426084), (54, 355070), (60, 319563), (90, 213042), (108, 177535), (135, 142028), (180, 106521), (270, 71014), (540, 35507)]