19119780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{35407}}^1$

素因数の和:35425

約数の個数: 48

約数和(自身を含む): 59485440

約数和(自身を除く): 40365660

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, 35407, 70814, 106221, 141628, 177035, 212442, 318663, 354070, 424884, 531105, 637326, 708140, 955989, 1062210, 1274652, 1593315, 1911978, 2124420, 3186630, 3823956, 4779945, 6373260, 9559890, 19119780]

約数ペア:

[(1, 19119780), (2, 9559890), (3, 6373260), (4, 4779945), (5, 3823956), (6, 3186630), (9, 2124420), (10, 1911978), (12, 1593315), (15, 1274652), (18, 1062210), (20, 955989), (27, 708140), (30, 637326), (36, 531105), (45, 424884), (54, 354070), (60, 318663), (90, 212442), (108, 177035), (135, 141628), (180, 106221), (270, 70814), (540, 35407)]