19730512

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1583}}^1$

素因数の和:1651

約数の個数: 40

約数和(自身を含む): 41247360

約数和(自身を除く): 21516848

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1558, 1583, 3116, 3166, 6232, 6332, 12464, 12664, 25328, 30077, 60154, 64903, 120308, 129806, 240616, 259612, 481232, 519224, 1038448, 1233157, 2466314, 4932628, 9865256, 19730512]

約数ペア:

[(1, 19730512), (2, 9865256), (4, 4932628), (8, 2466314), (16, 1233157), (19, 1038448), (38, 519224), (41, 481232), (76, 259612), (82, 240616), (152, 129806), (164, 120308), (304, 64903), (328, 60154), (656, 30077), (779, 25328), (1558, 12664), (1583, 12464), (3116, 6332), (3166, 6232)]