18338972

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{1669}}^1$

素因数の和:1781

約数の個数: 24

約数和(自身を含む): 33386640

約数和(自身を除く): 15047668

約数列:

[1, 2, 4, 41, 67, 82, 134, 164, 268, 1669, 2747, 3338, 5494, 6676, 10988, 68429, 111823, 136858, 223646, 273716, 447292, 4584743, 9169486, 18338972]

約数ペア:

[(1, 18338972), (2, 9169486), (4, 4584743), (41, 447292), (67, 273716), (82, 223646), (134, 136858), (164, 111823), (268, 68429), (1669, 10988), (2747, 6676), (3338, 5494)]