11979728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:435

約数の個数: 40

約数和(自身を含む): 24685920

約数和(自身を除く): 12706192

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 157, 251, 304, 314, 502, 628, 1004, 1256, 2008, 2512, 2983, 4016, 4769, 5966, 9538, 11932, 19076, 23864, 38152, 39407, 47728, 76304, 78814, 157628, 315256, 630512, 748733, 1497466, 2994932, 5989864, 11979728]

約数ペア:

[(1, 11979728), (2, 5989864), (4, 2994932), (8, 1497466), (16, 748733), (19, 630512), (38, 315256), (76, 157628), (152, 78814), (157, 76304), (251, 47728), (304, 39407), (314, 38152), (502, 23864), (628, 19076), (1004, 11932), (1256, 9538), (2008, 5966), (2512, 4769), (2983, 4016)]