198516940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{522413}}^1$

素因数の和:522441

約数の個数: 24

約数和(自身を含む): 438827760

約数和(自身を除く): 240310820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 522413, 1044826, 2089652, 2612065, 5224130, 9925847, 10448260, 19851694, 39703388, 49629235, 99258470, 198516940]

約数ペア:

[(1, 198516940), (2, 99258470), (4, 49629235), (5, 39703388), (10, 19851694), (19, 10448260), (20, 9925847), (38, 5224130), (76, 2612065), (95, 2089652), (190, 1044826), (380, 522413)]