19488994540

素因数分解:

$2^2\times 5^1\times {\mathrm{941}}^1\times {\mathrm{1035547}}^1$

素因数の和:1036497

約数の個数: 24

約数和(自身を含む): 40970421072

約数和(自身を除く): 21481426532

約数列:

[1, 2, 4, 5, 10, 20, 941, 1882, 3764, 4705, 9410, 18820, 1035547, 2071094, 4142188, 5177735, 10355470, 20710940, 974449727, 1948899454, 3897798908, 4872248635, 9744497270, 19488994540]

約数ペア:

[(1, 19488994540), (2, 9744497270), (4, 4872248635), (5, 3897798908), (10, 1948899454), (20, 974449727), (941, 20710940), (1882, 10355470), (3764, 5177735), (4705, 4142188), (9410, 2071094), (18820, 1035547)]