19946048

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:427

約数の個数: 56

約数和(自身を含む): 42672000

約数和(自身を除く): 22725952

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 64, 76, 94, 152, 188, 304, 349, 376, 608, 698, 752, 893, 1216, 1396, 1504, 1786, 2792, 3008, 3572, 5584, 6631, 7144, 11168, 13262, 14288, 16403, 22336, 26524, 28576, 32806, 53048, 57152, 65612, 106096, 131224, 212192, 262448, 311657, 424384, 524896, 623314, 1049792, 1246628, 2493256, 4986512, 9973024, 19946048]

約数ペア:

[(1, 19946048), (2, 9973024), (4, 4986512), (8, 2493256), (16, 1246628), (19, 1049792), (32, 623314), (38, 524896), (47, 424384), (64, 311657), (76, 262448), (94, 212192), (152, 131224), (188, 106096), (304, 65612), (349, 57152), (376, 53048), (608, 32806), (698, 28576), (752, 26524), (893, 22336), (1216, 16403), (1396, 14288), (1504, 13262), (1786, 11168), (2792, 7144), (3008, 6631), (3572, 5584)]