19635987

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1697}}^1$

素因数の和:1755

約数の個数: 32

約数和(自身を含む): 32601600

約数和(自身を除く): 12965613

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 203, 399, 551, 609, 1653, 1697, 3857, 5091, 11571, 11879, 32243, 35637, 49213, 96729, 147639, 225701, 344491, 677103, 935047, 1033473, 2805141, 6545329, 19635987]

約数ペア:

[(1, 19635987), (3, 6545329), (7, 2805141), (19, 1033473), (21, 935047), (29, 677103), (57, 344491), (87, 225701), (133, 147639), (203, 96729), (399, 49213), (551, 35637), (609, 32243), (1653, 11879), (1697, 11571), (3857, 5091)]