18677456

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:232

約数の個数: 80

約数和(自身を含む): 44520960

約数和(自身を除く): 25843504

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 67, 76, 112, 131, 133, 134, 152, 262, 266, 268, 304, 469, 524, 532, 536, 917, 938, 1048, 1064, 1072, 1273, 1834, 1876, 2096, 2128, 2489, 2546, 3668, 3752, 4978, 5092, 7336, 7504, 8777, 8911, 9956, 10184, 14672, 17423, 17554, 17822, 19912, 20368, 34846, 35108, 35644, 39824, 61439, 69692, 70216, 71288, 122878, 139384, 140432, 142576, 166763, 245756, 278768, 333526, 491512, 667052, 983024, 1167341, 1334104, 2334682, 2668208, 4669364, 9338728, 18677456]

約数ペア:

[(1, 18677456), (2, 9338728), (4, 4669364), (7, 2668208), (8, 2334682), (14, 1334104), (16, 1167341), (19, 983024), (28, 667052), (38, 491512), (56, 333526), (67, 278768), (76, 245756), (112, 166763), (131, 142576), (133, 140432), (134, 139384), (152, 122878), (262, 71288), (266, 70216), (268, 69692), (304, 61439), (469, 39824), (524, 35644), (532, 35108), (536, 34846), (917, 20368), (938, 19912), (1048, 17822), (1064, 17554), (1072, 17423), (1273, 14672), (1834, 10184), (1876, 9956), (2096, 8911), (2128, 8777), (2489, 7504), (2546, 7336), (3668, 5092), (3752, 4978)]