18487278

素因数分解:

$2^1\times 3^4\times {\mathrm{139}}^1\times {\mathrm{821}}^1$

素因数の和:974

約数の個数: 40

約数和(自身を含む): 41774040

約数和(自身を除く): 23286762

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 139, 162, 278, 417, 821, 834, 1251, 1642, 2463, 2502, 3753, 4926, 7389, 7506, 11259, 14778, 22167, 22518, 44334, 66501, 114119, 133002, 228238, 342357, 684714, 1027071, 2054142, 3081213, 6162426, 9243639, 18487278]

約数ペア:

[(1, 18487278), (2, 9243639), (3, 6162426), (6, 3081213), (9, 2054142), (18, 1027071), (27, 684714), (54, 342357), (81, 228238), (139, 133002), (162, 114119), (278, 66501), (417, 44334), (821, 22518), (834, 22167), (1251, 14778), (1642, 11259), (2463, 7506), (2502, 7389), (3753, 4926)]