19296940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74219}}^1$

素因数の和:74241

約数の個数: 24

約数和(自身を含む): 43641360

約数和(自身を除く): 24344420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 74219, 148438, 296876, 371095, 742190, 964847, 1484380, 1929694, 3859388, 4824235, 9648470, 19296940]

約数ペア:

[(1, 19296940), (2, 9648470), (4, 4824235), (5, 3859388), (10, 1929694), (13, 1484380), (20, 964847), (26, 742190), (52, 371095), (65, 296876), (130, 148438), (260, 74219)]