18749988

素因数分解:

$2^2\times 3^3\times {\mathrm{139}}^1\times {\mathrm{1249}}^1$

素因数の和:1401

約数の個数: 48

約数和(自身を含む): 49000000

約数和(自身を除く): 30250012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 139, 278, 417, 556, 834, 1249, 1251, 1668, 2498, 2502, 3747, 3753, 4996, 5004, 7494, 7506, 11241, 14988, 15012, 22482, 33723, 44964, 67446, 134892, 173611, 347222, 520833, 694444, 1041666, 1562499, 2083332, 3124998, 4687497, 6249996, 9374994, 18749988]

約数ペア:

[(1, 18749988), (2, 9374994), (3, 6249996), (4, 4687497), (6, 3124998), (9, 2083332), (12, 1562499), (18, 1041666), (27, 694444), (36, 520833), (54, 347222), (108, 173611), (139, 134892), (278, 67446), (417, 44964), (556, 33723), (834, 22482), (1249, 15012), (1251, 14988), (1668, 11241), (2498, 7506), (2502, 7494), (3747, 5004), (3753, 4996)]