39878416

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{563}}^1$

素因数の和:823

約数の個数: 40

約数和(自身を含む): 81825120

約数和(自身を除く): 41946704

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 233, 304, 466, 563, 932, 1126, 1864, 2252, 3728, 4427, 4504, 8854, 9008, 10697, 17708, 21394, 35416, 42788, 70832, 85576, 131179, 171152, 262358, 524716, 1049432, 2098864, 2492401, 4984802, 9969604, 19939208, 39878416]

約数ペア:

[(1, 39878416), (2, 19939208), (4, 9969604), (8, 4984802), (16, 2492401), (19, 2098864), (38, 1049432), (76, 524716), (152, 262358), (233, 171152), (304, 131179), (466, 85576), (563, 70832), (932, 42788), (1126, 35416), (1864, 21394), (2252, 17708), (3728, 10697), (4427, 9008), (4504, 8854)]