18728448

素因数分解:

$2^9\times 3^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:247

約数の個数: 80

約数和(自身を含む): 50822640

約数和(自身を除く): 32094192

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 89, 96, 128, 137, 178, 192, 256, 267, 274, 356, 384, 411, 512, 534, 548, 712, 768, 822, 1068, 1096, 1424, 1536, 1644, 2136, 2192, 2848, 3288, 4272, 4384, 5696, 6576, 8544, 8768, 11392, 12193, 13152, 17088, 17536, 22784, 24386, 26304, 34176, 35072, 36579, 45568, 48772, 52608, 68352, 70144, 73158, 97544, 105216, 136704, 146316, 195088, 210432, 292632, 390176, 585264, 780352, 1170528, 1560704, 2341056, 3121408, 4682112, 6242816, 9364224, 18728448]

約数ペア:

[(1, 18728448), (2, 9364224), (3, 6242816), (4, 4682112), (6, 3121408), (8, 2341056), (12, 1560704), (16, 1170528), (24, 780352), (32, 585264), (48, 390176), (64, 292632), (89, 210432), (96, 195088), (128, 146316), (137, 136704), (178, 105216), (192, 97544), (256, 73158), (267, 70144), (274, 68352), (356, 52608), (384, 48772), (411, 45568), (512, 36579), (534, 35072), (548, 34176), (712, 26304), (768, 24386), (822, 22784), (1068, 17536), (1096, 17088), (1424, 13152), (1536, 12193), (1644, 11392), (2136, 8768), (2192, 8544), (2848, 6576), (3288, 5696), (4272, 4384)]