19619976

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 50964480

約数和(自身を除く): 31344504

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 127, 157, 164, 246, 254, 314, 328, 381, 471, 492, 508, 628, 762, 942, 984, 1016, 1256, 1524, 1884, 3048, 3768, 5207, 6437, 10414, 12874, 15621, 19311, 19939, 20828, 25748, 31242, 38622, 39878, 41656, 51496, 59817, 62484, 77244, 79756, 119634, 124968, 154488, 159512, 239268, 478536, 817499, 1634998, 2452497, 3269996, 4904994, 6539992, 9809988, 19619976]

約数ペア:

[(1, 19619976), (2, 9809988), (3, 6539992), (4, 4904994), (6, 3269996), (8, 2452497), (12, 1634998), (24, 817499), (41, 478536), (82, 239268), (123, 159512), (127, 154488), (157, 124968), (164, 119634), (246, 79756), (254, 77244), (314, 62484), (328, 59817), (381, 51496), (471, 41656), (492, 39878), (508, 38622), (628, 31242), (762, 25748), (942, 20828), (984, 19939), (1016, 19311), (1256, 15621), (1524, 12874), (1884, 10414), (3048, 6437), (3768, 5207)]