18545408

素因数分解:

$2^8\times 7^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 43169280

約数和(自身を除く): 24623872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 79, 112, 128, 131, 158, 224, 256, 262, 316, 448, 524, 553, 632, 896, 917, 1048, 1106, 1264, 1792, 1834, 2096, 2212, 2528, 3668, 4192, 4424, 5056, 7336, 8384, 8848, 10112, 10349, 14672, 16768, 17696, 20224, 20698, 29344, 33536, 35392, 41396, 58688, 70784, 72443, 82792, 117376, 141568, 144886, 165584, 234752, 289772, 331168, 579544, 662336, 1159088, 1324672, 2318176, 2649344, 4636352, 9272704, 18545408]

約数ペア:

[(1, 18545408), (2, 9272704), (4, 4636352), (7, 2649344), (8, 2318176), (14, 1324672), (16, 1159088), (28, 662336), (32, 579544), (56, 331168), (64, 289772), (79, 234752), (112, 165584), (128, 144886), (131, 141568), (158, 117376), (224, 82792), (256, 72443), (262, 70784), (316, 58688), (448, 41396), (524, 35392), (553, 33536), (632, 29344), (896, 20698), (917, 20224), (1048, 17696), (1106, 16768), (1264, 14672), (1792, 10349), (1834, 10112), (2096, 8848), (2212, 8384), (2528, 7336), (3668, 5056), (4192, 4424)]