19195168

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:401

約数の個数: 48

約数和(自身を含む): 40249440

約数和(自身を除く): 21054272

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 131, 152, 241, 262, 304, 482, 524, 608, 964, 1048, 1928, 2096, 2489, 3856, 4192, 4579, 4978, 7712, 9158, 9956, 18316, 19912, 31571, 36632, 39824, 63142, 73264, 79648, 126284, 146528, 252568, 505136, 599849, 1010272, 1199698, 2399396, 4798792, 9597584, 19195168]

約数ペア:

[(1, 19195168), (2, 9597584), (4, 4798792), (8, 2399396), (16, 1199698), (19, 1010272), (32, 599849), (38, 505136), (76, 252568), (131, 146528), (152, 126284), (241, 79648), (262, 73264), (304, 63142), (482, 39824), (524, 36632), (608, 31571), (964, 19912), (1048, 18316), (1928, 9956), (2096, 9158), (2489, 7712), (3856, 4978), (4192, 4579)]