18012012

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{521}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 43731072

約数和(自身を除く): 25719060

約数列:

[1, 2, 3, 4, 6, 12, 43, 67, 86, 129, 134, 172, 201, 258, 268, 402, 516, 521, 804, 1042, 1563, 2084, 2881, 3126, 5762, 6252, 8643, 11524, 17286, 22403, 34572, 34907, 44806, 67209, 69814, 89612, 104721, 134418, 139628, 209442, 268836, 418884, 1501001, 3002002, 4503003, 6004004, 9006006, 18012012]

約数ペア:

[(1, 18012012), (2, 9006006), (3, 6004004), (4, 4503003), (6, 3002002), (12, 1501001), (43, 418884), (67, 268836), (86, 209442), (129, 139628), (134, 134418), (172, 104721), (201, 89612), (258, 69814), (268, 67209), (402, 44806), (516, 34907), (521, 34572), (804, 22403), (1042, 17286), (1563, 11524), (2084, 8643), (2881, 6252), (3126, 5762)]