17921288

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{619}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 42854400

約数和(自身を除く): 24933112

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 47, 56, 77, 88, 94, 154, 188, 308, 329, 376, 517, 616, 619, 658, 1034, 1238, 1316, 2068, 2476, 2632, 3619, 4136, 4333, 4952, 6809, 7238, 8666, 13618, 14476, 17332, 27236, 28952, 29093, 34664, 47663, 54472, 58186, 95326, 116372, 190652, 203651, 232744, 320023, 381304, 407302, 640046, 814604, 1280092, 1629208, 2240161, 2560184, 4480322, 8960644, 17921288]

約数ペア:

[(1, 17921288), (2, 8960644), (4, 4480322), (7, 2560184), (8, 2240161), (11, 1629208), (14, 1280092), (22, 814604), (28, 640046), (44, 407302), (47, 381304), (56, 320023), (77, 232744), (88, 203651), (94, 190652), (154, 116372), (188, 95326), (308, 58186), (329, 54472), (376, 47663), (517, 34664), (616, 29093), (619, 28952), (658, 27236), (1034, 17332), (1238, 14476), (1316, 13618), (2068, 8666), (2476, 7238), (2632, 6809), (3619, 4952), (4136, 4333)]