12742768

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{251}}^1$

素因数の和:445

約数の個数: 40

約数和(自身を含む): 26248320

約数和(自身を除く): 13505552

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 167, 251, 304, 334, 502, 668, 1004, 1336, 2008, 2672, 3173, 4016, 4769, 6346, 9538, 12692, 19076, 25384, 38152, 41917, 50768, 76304, 83834, 167668, 335336, 670672, 796423, 1592846, 3185692, 6371384, 12742768]

約数ペア:

[(1, 12742768), (2, 6371384), (4, 3185692), (8, 1592846), (16, 796423), (19, 670672), (38, 335336), (76, 167668), (152, 83834), (167, 76304), (251, 50768), (304, 41917), (334, 38152), (502, 25384), (668, 19076), (1004, 12692), (1336, 9538), (2008, 6346), (2672, 4769), (3173, 4016)]