19494684

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2591}}^1$

素因数の和:2631

約数の個数: 72

約数和(自身を含む): 56609280

約数和(自身を除く): 37114596

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 66, 76, 99, 114, 132, 171, 198, 209, 228, 342, 396, 418, 627, 684, 836, 1254, 1881, 2508, 2591, 3762, 5182, 7524, 7773, 10364, 15546, 23319, 28501, 31092, 46638, 49229, 57002, 85503, 93276, 98458, 114004, 147687, 171006, 196916, 256509, 295374, 342012, 443061, 513018, 541519, 590748, 886122, 1026036, 1083038, 1624557, 1772244, 2166076, 3249114, 4873671, 6498228, 9747342, 19494684]

約数ペア:

[(1, 19494684), (2, 9747342), (3, 6498228), (4, 4873671), (6, 3249114), (9, 2166076), (11, 1772244), (12, 1624557), (18, 1083038), (19, 1026036), (22, 886122), (33, 590748), (36, 541519), (38, 513018), (44, 443061), (57, 342012), (66, 295374), (76, 256509), (99, 196916), (114, 171006), (132, 147687), (171, 114004), (198, 98458), (209, 93276), (228, 85503), (342, 57002), (396, 49229), (418, 46638), (627, 31092), (684, 28501), (836, 23319), (1254, 15546), (1881, 10364), (2508, 7773), (2591, 7524), (3762, 5182)]