19553888

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1109}}^1$

素因数の和:1167

約数の個数: 48

約数和(自身を含む): 41958000

約数和(自身を除く): 22404112

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 76, 116, 152, 232, 304, 464, 551, 608, 928, 1102, 1109, 2204, 2218, 4408, 4436, 8816, 8872, 17632, 17744, 21071, 32161, 35488, 42142, 64322, 84284, 128644, 168568, 257288, 337136, 514576, 611059, 674272, 1029152, 1222118, 2444236, 4888472, 9776944, 19553888]

約数ペア:

[(1, 19553888), (2, 9776944), (4, 4888472), (8, 2444236), (16, 1222118), (19, 1029152), (29, 674272), (32, 611059), (38, 514576), (58, 337136), (76, 257288), (116, 168568), (152, 128644), (232, 84284), (304, 64322), (464, 42142), (551, 35488), (608, 32161), (928, 21071), (1102, 17744), (1109, 17632), (2204, 8872), (2218, 8816), (4408, 4436)]