19937274112

素因数分解:

$2^8\times 7^1\times {\mathrm{73}}^1\times {\mathrm{152407}}^1$

素因数の和:152503

約数の個数: 72

約数和(自身を含む): 46105248896

約数和(自身を除く): 26167974784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 128, 146, 224, 256, 292, 448, 511, 584, 896, 1022, 1168, 1792, 2044, 2336, 4088, 4672, 8176, 9344, 16352, 18688, 32704, 65408, 130816, 152407, 304814, 609628, 1066849, 1219256, 2133698, 2438512, 4267396, 4877024, 8534792, 9754048, 11125711, 17069584, 19508096, 22251422, 34139168, 39016192, 44502844, 68278336, 77879977, 89005688, 136556672, 155759954, 178011376, 273113344, 311519908, 356022752, 623039816, 712045504, 1246079632, 1424091008, 2492159264, 2848182016, 4984318528, 9968637056, 19937274112]

約数ペア:

[(1, 19937274112), (2, 9968637056), (4, 4984318528), (7, 2848182016), (8, 2492159264), (14, 1424091008), (16, 1246079632), (28, 712045504), (32, 623039816), (56, 356022752), (64, 311519908), (73, 273113344), (112, 178011376), (128, 155759954), (146, 136556672), (224, 89005688), (256, 77879977), (292, 68278336), (448, 44502844), (511, 39016192), (584, 34139168), (896, 22251422), (1022, 19508096), (1168, 17069584), (1792, 11125711), (2044, 9754048), (2336, 8534792), (4088, 4877024), (4672, 4267396), (8176, 2438512), (9344, 2133698), (16352, 1219256), (18688, 1066849), (32704, 609628), (65408, 304814), (130816, 152407)]