19563201

素因数分解:

$3^5\times 7^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:113

約数の個数: 72

約数和(自身を含む): 35852544

約数和(自身を除く): 16289343

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 53, 63, 81, 93, 147, 159, 189, 217, 243, 279, 371, 441, 477, 567, 651, 837, 1113, 1323, 1431, 1519, 1643, 1701, 1953, 2511, 2597, 3339, 3969, 4293, 4557, 4929, 5859, 7533, 7791, 10017, 11501, 11907, 12879, 13671, 14787, 17577, 23373, 30051, 34503, 41013, 44361, 52731, 70119, 80507, 90153, 103509, 123039, 133083, 210357, 241521, 310527, 369117, 399249, 631071, 724563, 931581, 2173689, 2794743, 6521067, 19563201]

約数ペア:

[(1, 19563201), (3, 6521067), (7, 2794743), (9, 2173689), (21, 931581), (27, 724563), (31, 631071), (49, 399249), (53, 369117), (63, 310527), (81, 241521), (93, 210357), (147, 133083), (159, 123039), (189, 103509), (217, 90153), (243, 80507), (279, 70119), (371, 52731), (441, 44361), (477, 41013), (567, 34503), (651, 30051), (837, 23373), (1113, 17577), (1323, 14787), (1431, 13671), (1519, 12879), (1643, 11907), (1701, 11501), (1953, 10017), (2511, 7791), (2597, 7533), (3339, 5859), (3969, 4929), (4293, 4557)]