1947149824

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{165349}}^1$

素因数の和:165390

約数の個数: 40

約数和(自身を含む): 4059673200

約数和(自身を除く): 2112523376

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 512, 736, 1472, 2944, 5888, 11776, 165349, 330698, 661396, 1322792, 2645584, 3803027, 5291168, 7606054, 10582336, 15212108, 21164672, 30424216, 42329344, 60848432, 84658688, 121696864, 243393728, 486787456, 973574912, 1947149824]

約数ペア:

[(1, 1947149824), (2, 973574912), (4, 486787456), (8, 243393728), (16, 121696864), (23, 84658688), (32, 60848432), (46, 42329344), (64, 30424216), (92, 21164672), (128, 15212108), (184, 10582336), (256, 7606054), (368, 5291168), (512, 3803027), (736, 2645584), (1472, 1322792), (2944, 661396), (5888, 330698), (11776, 165349)]