18285904

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:708

約数の個数: 80

約数和(自身を含む): 45969280

約数和(自身を除く): 27683376

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 76, 91, 104, 112, 133, 152, 182, 208, 247, 266, 304, 364, 494, 532, 661, 728, 988, 1064, 1322, 1456, 1729, 1976, 2128, 2644, 3458, 3952, 4627, 5288, 6916, 8593, 9254, 10576, 12559, 13832, 17186, 18508, 25118, 27664, 34372, 37016, 50236, 60151, 68744, 74032, 87913, 100472, 120302, 137488, 163267, 175826, 200944, 240604, 326534, 351652, 481208, 653068, 703304, 962416, 1142869, 1306136, 1406608, 2285738, 2612272, 4571476, 9142952, 18285904]

約数ペア:

[(1, 18285904), (2, 9142952), (4, 4571476), (7, 2612272), (8, 2285738), (13, 1406608), (14, 1306136), (16, 1142869), (19, 962416), (26, 703304), (28, 653068), (38, 481208), (52, 351652), (56, 326534), (76, 240604), (91, 200944), (104, 175826), (112, 163267), (133, 137488), (152, 120302), (182, 100472), (208, 87913), (247, 74032), (266, 68744), (304, 60151), (364, 50236), (494, 37016), (532, 34372), (661, 27664), (728, 25118), (988, 18508), (1064, 17186), (1322, 13832), (1456, 12559), (1729, 10576), (1976, 9254), (2128, 8593), (2644, 6916), (3458, 5288), (3952, 4627)]