19515780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{108421}}^1$

素因数の和:108436

約数の個数: 36

約数和(自身を含む): 59198412

約数和(自身を除く): 39682632

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 108421, 216842, 325263, 433684, 542105, 650526, 975789, 1084210, 1301052, 1626315, 1951578, 2168420, 3252630, 3903156, 4878945, 6505260, 9757890, 19515780]

約数ペア:

[(1, 19515780), (2, 9757890), (3, 6505260), (4, 4878945), (5, 3903156), (6, 3252630), (9, 2168420), (10, 1951578), (12, 1626315), (15, 1301052), (18, 1084210), (20, 975789), (30, 650526), (36, 542105), (45, 433684), (60, 325263), (90, 216842), (180, 108421)]