18137860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69761}}^1$

素因数の和:69783

約数の個数: 24

約数和(自身を含む): 41020056

約数和(自身を除く): 22882196

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 69761, 139522, 279044, 348805, 697610, 906893, 1395220, 1813786, 3627572, 4534465, 9068930, 18137860]

約数ペア:

[(1, 18137860), (2, 9068930), (4, 4534465), (5, 3627572), (10, 1813786), (13, 1395220), (20, 906893), (26, 697610), (52, 348805), (65, 279044), (130, 139522), (260, 69761)]