2019423819

素因数分解:

$3^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:437

約数の個数: 64

約数和(自身を含む): 3223756800

約数和(自身を除く): 1204332981

約数列:

[1, 3, 7, 21, 49, 71, 131, 147, 211, 213, 343, 393, 497, 633, 917, 1029, 1477, 1491, 2751, 3479, 4431, 6419, 9301, 10339, 10437, 14981, 19257, 24353, 27641, 27903, 31017, 44933, 44943, 65107, 72373, 73059, 82923, 104867, 134799, 193487, 195321, 217119, 314601, 455749, 580461, 734069, 1354409, 1367247, 1962511, 2202207, 3190243, 4063227, 5138483, 5887533, 9480863, 9570729, 13737577, 15415449, 28442589, 41212731, 96163039, 288489117, 673141273, 2019423819]

約数ペア:

[(1, 2019423819), (3, 673141273), (7, 288489117), (21, 96163039), (49, 41212731), (71, 28442589), (131, 15415449), (147, 13737577), (211, 9570729), (213, 9480863), (343, 5887533), (393, 5138483), (497, 4063227), (633, 3190243), (917, 2202207), (1029, 1962511), (1477, 1367247), (1491, 1354409), (2751, 734069), (3479, 580461), (4431, 455749), (6419, 314601), (9301, 217119), (10339, 195321), (10437, 193487), (14981, 134799), (19257, 104867), (24353, 82923), (27641, 73059), (27903, 72373), (31017, 65107), (44933, 44943)]