19752705

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{859}}^1$

素因数の和:950

約数の個数: 48

約数和(自身を含む): 39711360

約数和(自身を除く): 19958655

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 73, 105, 219, 315, 365, 511, 657, 859, 1095, 1533, 2555, 2577, 3285, 4295, 4599, 6013, 7665, 7731, 12885, 18039, 22995, 30065, 38655, 54117, 62707, 90195, 188121, 270585, 313535, 438949, 564363, 940605, 1316847, 2194745, 2821815, 3950541, 6584235, 19752705]

約数ペア:

[(1, 19752705), (3, 6584235), (5, 3950541), (7, 2821815), (9, 2194745), (15, 1316847), (21, 940605), (35, 564363), (45, 438949), (63, 313535), (73, 270585), (105, 188121), (219, 90195), (315, 62707), (365, 54117), (511, 38655), (657, 30065), (859, 22995), (1095, 18039), (1533, 12885), (2555, 7731), (2577, 7665), (3285, 6013), (4295, 4599)]