19178586

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{449}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 49248000

約数和(自身を除く): 30069414

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 113, 126, 189, 226, 339, 378, 449, 678, 791, 898, 1017, 1347, 1582, 2034, 2373, 2694, 3051, 3143, 4041, 4746, 6102, 6286, 7119, 8082, 9429, 12123, 14238, 18858, 21357, 24246, 28287, 42714, 50737, 56574, 84861, 101474, 152211, 169722, 304422, 355159, 456633, 710318, 913266, 1065477, 1369899, 2130954, 2739798, 3196431, 6392862, 9589293, 19178586]

約数ペア:

[(1, 19178586), (2, 9589293), (3, 6392862), (6, 3196431), (7, 2739798), (9, 2130954), (14, 1369899), (18, 1065477), (21, 913266), (27, 710318), (42, 456633), (54, 355159), (63, 304422), (113, 169722), (126, 152211), (189, 101474), (226, 84861), (339, 56574), (378, 50737), (449, 42714), (678, 28287), (791, 24246), (898, 21357), (1017, 18858), (1347, 14238), (1582, 12123), (2034, 9429), (2373, 8082), (2694, 7119), (3051, 6286), (3143, 6102), (4041, 4746)]