18031456

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{631}}^1$

素因数の和:707

約数の個数: 48

約数和(自身を含む): 38223360

約数和(自身を除く): 20191904

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 76, 94, 152, 188, 304, 376, 608, 631, 752, 893, 1262, 1504, 1786, 2524, 3572, 5048, 7144, 10096, 11989, 14288, 20192, 23978, 28576, 29657, 47956, 59314, 95912, 118628, 191824, 237256, 383648, 474512, 563483, 949024, 1126966, 2253932, 4507864, 9015728, 18031456]

約数ペア:

[(1, 18031456), (2, 9015728), (4, 4507864), (8, 2253932), (16, 1126966), (19, 949024), (32, 563483), (38, 474512), (47, 383648), (76, 237256), (94, 191824), (152, 118628), (188, 95912), (304, 59314), (376, 47956), (608, 29657), (631, 28576), (752, 23978), (893, 20192), (1262, 14288), (1504, 11989), (1786, 10096), (2524, 7144), (3572, 5048)]