19896448

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1087}}^1$

素因数の和:1125

約数の個数: 64

約数和(自身を含む): 46609920

約数和(自身を除く): 26713472

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 128, 143, 176, 208, 286, 352, 416, 572, 704, 832, 1087, 1144, 1408, 1664, 2174, 2288, 4348, 4576, 8696, 9152, 11957, 14131, 17392, 18304, 23914, 28262, 34784, 47828, 56524, 69568, 95656, 113048, 139136, 155441, 191312, 226096, 310882, 382624, 452192, 621764, 765248, 904384, 1243528, 1530496, 1808768, 2487056, 4974112, 9948224, 19896448]

約数ペア:

[(1, 19896448), (2, 9948224), (4, 4974112), (8, 2487056), (11, 1808768), (13, 1530496), (16, 1243528), (22, 904384), (26, 765248), (32, 621764), (44, 452192), (52, 382624), (64, 310882), (88, 226096), (104, 191312), (128, 155441), (143, 139136), (176, 113048), (208, 95656), (286, 69568), (352, 56524), (416, 47828), (572, 34784), (704, 28262), (832, 23914), (1087, 18304), (1144, 17392), (1408, 14131), (1664, 11957), (2174, 9152), (2288, 8696), (4348, 4576)]