19809861915

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{937}}^1\times {\mathrm{4877}}^1$

素因数の和:5856

約数の個数: 48

約数和(自身を含む): 33712755552

約数和(自身を除く): 13902893637

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 937, 1445, 2811, 4335, 4685, 4877, 14055, 14631, 15929, 24385, 47787, 73155, 79645, 82909, 238935, 248727, 270793, 414545, 812379, 1243635, 1353965, 1409453, 4061895, 4228359, 4569749, 7047265, 13709247, 21141795, 22848745, 68546235, 77685733, 233057199, 388428665, 1165285995, 1320657461, 3961972383, 6603287305, 19809861915]

約数ペア:

[(1, 19809861915), (3, 6603287305), (5, 3961972383), (15, 1320657461), (17, 1165285995), (51, 388428665), (85, 233057199), (255, 77685733), (289, 68546235), (867, 22848745), (937, 21141795), (1445, 13709247), (2811, 7047265), (4335, 4569749), (4685, 4228359), (4877, 4061895), (14055, 1409453), (14631, 1353965), (15929, 1243635), (24385, 812379), (47787, 414545), (73155, 270793), (79645, 248727), (82909, 238935)]