18781648712

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{661}}^1\times {\mathrm{34483}}^1$

素因数の和:35253

約数の個数: 32

約数和(自身を含む): 35612316480

約数和(自身を除く): 16830667768

約数列:

[1, 2, 4, 8, 103, 206, 412, 661, 824, 1322, 2644, 5288, 34483, 68083, 68966, 136166, 137932, 272332, 275864, 544664, 3551749, 7103498, 14206996, 22793263, 28413992, 45586526, 91173052, 182346104, 2347706089, 4695412178, 9390824356, 18781648712]

約数ペア:

[(1, 18781648712), (2, 9390824356), (4, 4695412178), (8, 2347706089), (103, 182346104), (206, 91173052), (412, 45586526), (661, 28413992), (824, 22793263), (1322, 14206996), (2644, 7103498), (5288, 3551749), (34483, 544664), (68083, 275864), (68966, 272332), (136166, 137932)]