2018178252

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{21227}}^1$

素因数の和:21395

約数の個数: 72

約数和(自身を含む): 5408894400

約数和(自身を除く): 3390716148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 139, 171, 228, 278, 342, 417, 556, 684, 834, 1251, 1668, 2502, 2641, 5004, 5282, 7923, 10564, 15846, 21227, 23769, 31692, 42454, 47538, 63681, 84908, 95076, 127362, 191043, 254724, 382086, 403313, 764172, 806626, 1209939, 1613252, 2419878, 2950553, 3629817, 4839756, 5901106, 7259634, 8851659, 11802212, 14519268, 17703318, 26554977, 35406636, 53109954, 56060507, 106219908, 112121014, 168181521, 224242028, 336363042, 504544563, 672726084, 1009089126, 2018178252]

約数ペア:

[(1, 2018178252), (2, 1009089126), (3, 672726084), (4, 504544563), (6, 336363042), (9, 224242028), (12, 168181521), (18, 112121014), (19, 106219908), (36, 56060507), (38, 53109954), (57, 35406636), (76, 26554977), (114, 17703318), (139, 14519268), (171, 11802212), (228, 8851659), (278, 7259634), (342, 5901106), (417, 4839756), (556, 3629817), (684, 2950553), (834, 2419878), (1251, 1613252), (1668, 1209939), (2502, 806626), (2641, 764172), (5004, 403313), (5282, 382086), (7923, 254724), (10564, 191043), (15846, 127362), (21227, 95076), (23769, 84908), (31692, 63681), (42454, 47538)]