218877872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{15319}}^1$

素因数の和:15393

約数の個数: 40

約数和(自身を含む): 455923200

約数和(自身を除く): 237045328

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 152, 188, 304, 376, 752, 893, 1786, 3572, 7144, 14288, 15319, 30638, 61276, 122552, 245104, 291061, 582122, 719993, 1164244, 1439986, 2328488, 2879972, 4656976, 5759944, 11519888, 13679867, 27359734, 54719468, 109438936, 218877872]

約数ペア:

[(1, 218877872), (2, 109438936), (4, 54719468), (8, 27359734), (16, 13679867), (19, 11519888), (38, 5759944), (47, 4656976), (76, 2879972), (94, 2328488), (152, 1439986), (188, 1164244), (304, 719993), (376, 582122), (752, 291061), (893, 245104), (1786, 122552), (3572, 61276), (7144, 30638), (14288, 15319)]