18219904

素因数分解:

$2^7\times {\mathrm{137}}^1\times {\mathrm{1039}}^1$

素因数の和:1190

約数の個数: 32

約数和(自身を含む): 36597600

約数和(自身を除く): 18377696

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 137, 274, 548, 1039, 1096, 2078, 2192, 4156, 4384, 8312, 8768, 16624, 17536, 33248, 66496, 132992, 142343, 284686, 569372, 1138744, 2277488, 4554976, 9109952, 18219904]

約数ペア:

[(1, 18219904), (2, 9109952), (4, 4554976), (8, 2277488), (16, 1138744), (32, 569372), (64, 284686), (128, 142343), (137, 132992), (274, 66496), (548, 33248), (1039, 17536), (1096, 16624), (2078, 8768), (2192, 8312), (4156, 4384)]