19902294

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 26753706

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 71, 87, 142, 174, 179, 213, 261, 358, 426, 522, 537, 639, 783, 1074, 1278, 1566, 1611, 1917, 2059, 3222, 3834, 4118, 4833, 5191, 6177, 9666, 10382, 12354, 12709, 15573, 18531, 25418, 31146, 37062, 38127, 46719, 55593, 76254, 93438, 111186, 114381, 140157, 228762, 280314, 343143, 368561, 686286, 737122, 1105683, 2211366, 3317049, 6634098, 9951147, 19902294]

約数ペア:

[(1, 19902294), (2, 9951147), (3, 6634098), (6, 3317049), (9, 2211366), (18, 1105683), (27, 737122), (29, 686286), (54, 368561), (58, 343143), (71, 280314), (87, 228762), (142, 140157), (174, 114381), (179, 111186), (213, 93438), (261, 76254), (358, 55593), (426, 46719), (522, 38127), (537, 37062), (639, 31146), (783, 25418), (1074, 18531), (1278, 15573), (1566, 12709), (1611, 12354), (1917, 10382), (2059, 9666), (3222, 6177), (3834, 5191), (4118, 4833)]