12519328

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{349}}^1$

素因数の和:437

約数の個数: 48

約数和(自身を含む): 26460000

約数和(自身を除く): 13940672

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 59, 76, 118, 152, 236, 304, 349, 472, 608, 698, 944, 1121, 1396, 1888, 2242, 2792, 4484, 5584, 6631, 8968, 11168, 13262, 17936, 20591, 26524, 35872, 41182, 53048, 82364, 106096, 164728, 212192, 329456, 391229, 658912, 782458, 1564916, 3129832, 6259664, 12519328]

約数ペア:

[(1, 12519328), (2, 6259664), (4, 3129832), (8, 1564916), (16, 782458), (19, 658912), (32, 391229), (38, 329456), (59, 212192), (76, 164728), (118, 106096), (152, 82364), (236, 53048), (304, 41182), (349, 35872), (472, 26524), (608, 20591), (698, 17936), (944, 13262), (1121, 11168), (1396, 8968), (1888, 6631), (2242, 5584), (2792, 4484)]