19491864

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{739}}^1$

素因数の和:912

約数の個数: 64

約数和(自身を含む): 56121600

約数和(自身を除く): 36629736

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 157, 168, 314, 471, 628, 739, 942, 1099, 1256, 1478, 1884, 2198, 2217, 2956, 3297, 3768, 4396, 4434, 5173, 5912, 6594, 8792, 8868, 10346, 13188, 15519, 17736, 20692, 26376, 31038, 41384, 62076, 116023, 124152, 232046, 348069, 464092, 696138, 812161, 928184, 1392276, 1624322, 2436483, 2784552, 3248644, 4872966, 6497288, 9745932, 19491864]

約数ペア:

[(1, 19491864), (2, 9745932), (3, 6497288), (4, 4872966), (6, 3248644), (7, 2784552), (8, 2436483), (12, 1624322), (14, 1392276), (21, 928184), (24, 812161), (28, 696138), (42, 464092), (56, 348069), (84, 232046), (157, 124152), (168, 116023), (314, 62076), (471, 41384), (628, 31038), (739, 26376), (942, 20692), (1099, 17736), (1256, 15519), (1478, 13188), (1884, 10346), (2198, 8868), (2217, 8792), (2956, 6594), (3297, 5912), (3768, 5173), (4396, 4434)]