19223379

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 35758080

約数和(自身を除く): 16534701

約数列:

[1, 3, 7, 9, 17, 21, 27, 31, 51, 63, 93, 119, 153, 189, 193, 217, 279, 357, 459, 527, 579, 651, 837, 1071, 1351, 1581, 1737, 1953, 3213, 3281, 3689, 4053, 4743, 5211, 5859, 5983, 9843, 11067, 12159, 14229, 17949, 22967, 29529, 33201, 36477, 41881, 53847, 68901, 88587, 99603, 101711, 125643, 161541, 206703, 305133, 376929, 620109, 711977, 915399, 1130787, 2135931, 2746197, 6407793, 19223379]

約数ペア:

[(1, 19223379), (3, 6407793), (7, 2746197), (9, 2135931), (17, 1130787), (21, 915399), (27, 711977), (31, 620109), (51, 376929), (63, 305133), (93, 206703), (119, 161541), (153, 125643), (189, 101711), (193, 99603), (217, 88587), (279, 68901), (357, 53847), (459, 41881), (527, 36477), (579, 33201), (651, 29529), (837, 22967), (1071, 17949), (1351, 14229), (1581, 12159), (1737, 11067), (1953, 9843), (3213, 5983), (3281, 5859), (3689, 5211), (4053, 4743)]