19928264

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3049}}^1$

素因数の和:3117

約数の個数: 32

約数和(自身を含む): 40260000

約数和(自身を除く): 20331736

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 817, 1634, 3049, 3268, 6098, 6536, 12196, 24392, 57931, 115862, 131107, 231724, 262214, 463448, 524428, 1048856, 2491033, 4982066, 9964132, 19928264]

約数ペア:

[(1, 19928264), (2, 9964132), (4, 4982066), (8, 2491033), (19, 1048856), (38, 524428), (43, 463448), (76, 262214), (86, 231724), (152, 131107), (172, 115862), (344, 57931), (817, 24392), (1634, 12196), (3049, 6536), (3268, 6098)]