16720722

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:452

約数の個数: 64

約数和(自身を含む): 40128000

約数和(自身を除く): 23407278

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 43, 54, 57, 86, 114, 129, 171, 258, 342, 379, 387, 513, 758, 774, 817, 1026, 1137, 1161, 1634, 2274, 2322, 2451, 3411, 4902, 6822, 7201, 7353, 10233, 14402, 14706, 16297, 20466, 21603, 22059, 32594, 43206, 44118, 48891, 64809, 97782, 129618, 146673, 194427, 293346, 309643, 388854, 440019, 619286, 880038, 928929, 1857858, 2786787, 5573574, 8360361, 16720722]

約数ペア:

[(1, 16720722), (2, 8360361), (3, 5573574), (6, 2786787), (9, 1857858), (18, 928929), (19, 880038), (27, 619286), (38, 440019), (43, 388854), (54, 309643), (57, 293346), (86, 194427), (114, 146673), (129, 129618), (171, 97782), (258, 64809), (342, 48891), (379, 44118), (387, 43206), (513, 32594), (758, 22059), (774, 21603), (817, 20466), (1026, 16297), (1137, 14706), (1161, 14402), (1634, 10233), (2274, 7353), (2322, 7201), (2451, 6822), (3411, 4902)]