19754940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{337}}^1\times {\mathrm{977}}^1$

素因数の和:1326

約数の個数: 48

約数和(自身を含む): 55534752

約数和(自身を除く): 35779812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 337, 674, 977, 1011, 1348, 1685, 1954, 2022, 2931, 3370, 3908, 4044, 4885, 5055, 5862, 6740, 9770, 10110, 11724, 14655, 19540, 20220, 29310, 58620, 329249, 658498, 987747, 1316996, 1646245, 1975494, 3292490, 3950988, 4938735, 6584980, 9877470, 19754940]

約数ペア:

[(1, 19754940), (2, 9877470), (3, 6584980), (4, 4938735), (5, 3950988), (6, 3292490), (10, 1975494), (12, 1646245), (15, 1316996), (20, 987747), (30, 658498), (60, 329249), (337, 58620), (674, 29310), (977, 20220), (1011, 19540), (1348, 14655), (1685, 11724), (1954, 10110), (2022, 9770), (2931, 6740), (3370, 5862), (3908, 5055), (4044, 4885)]