18377216

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:293

約数の個数: 80

約数和(自身を含む): 43309728

約数和(自身を除く): 24932512

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 128, 143, 176, 208, 251, 256, 286, 352, 416, 502, 512, 572, 704, 832, 1004, 1144, 1408, 1664, 2008, 2288, 2761, 2816, 3263, 3328, 4016, 4576, 5522, 5632, 6526, 6656, 8032, 9152, 11044, 13052, 16064, 18304, 22088, 26104, 32128, 35893, 36608, 44176, 52208, 64256, 71786, 73216, 88352, 104416, 128512, 143572, 176704, 208832, 287144, 353408, 417664, 574288, 706816, 835328, 1148576, 1413632, 1670656, 2297152, 4594304, 9188608, 18377216]

約数ペア:

[(1, 18377216), (2, 9188608), (4, 4594304), (8, 2297152), (11, 1670656), (13, 1413632), (16, 1148576), (22, 835328), (26, 706816), (32, 574288), (44, 417664), (52, 353408), (64, 287144), (88, 208832), (104, 176704), (128, 143572), (143, 128512), (176, 104416), (208, 88352), (251, 73216), (256, 71786), (286, 64256), (352, 52208), (416, 44176), (502, 36608), (512, 35893), (572, 32128), (704, 26104), (832, 22088), (1004, 18304), (1144, 16064), (1408, 13052), (1664, 11044), (2008, 9152), (2288, 8032), (2761, 6656), (2816, 6526), (3263, 5632), (3328, 5522), (4016, 4576)]