19895584

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{761}}^1$

素因数の和:833

約数の個数: 48

約数和(自身を含む): 42245280

約数和(自身を除く): 22349696

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 76, 86, 152, 172, 304, 344, 608, 688, 761, 817, 1376, 1522, 1634, 3044, 3268, 6088, 6536, 12176, 13072, 14459, 24352, 26144, 28918, 32723, 57836, 65446, 115672, 130892, 231344, 261784, 462688, 523568, 621737, 1047136, 1243474, 2486948, 4973896, 9947792, 19895584]

約数ペア:

[(1, 19895584), (2, 9947792), (4, 4973896), (8, 2486948), (16, 1243474), (19, 1047136), (32, 621737), (38, 523568), (43, 462688), (76, 261784), (86, 231344), (152, 130892), (172, 115672), (304, 65446), (344, 57836), (608, 32723), (688, 28918), (761, 26144), (817, 24352), (1376, 14459), (1522, 13072), (1634, 12176), (3044, 6536), (3268, 6088)]