19726494

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 44089920

約数和(自身を除く): 24363426

約数列:

[1, 2, 3, 6, 17, 34, 41, 51, 53, 82, 89, 102, 106, 123, 159, 178, 246, 267, 318, 534, 697, 901, 1394, 1513, 1802, 2091, 2173, 2703, 3026, 3649, 4182, 4346, 4539, 4717, 5406, 6519, 7298, 9078, 9434, 10947, 13038, 14151, 21894, 28302, 36941, 62033, 73882, 80189, 110823, 124066, 160378, 186099, 193397, 221646, 240567, 372198, 386794, 481134, 580191, 1160382, 3287749, 6575498, 9863247, 19726494]

約数ペア:

[(1, 19726494), (2, 9863247), (3, 6575498), (6, 3287749), (17, 1160382), (34, 580191), (41, 481134), (51, 386794), (53, 372198), (82, 240567), (89, 221646), (102, 193397), (106, 186099), (123, 160378), (159, 124066), (178, 110823), (246, 80189), (267, 73882), (318, 62033), (534, 36941), (697, 28302), (901, 21894), (1394, 14151), (1513, 13038), (1802, 10947), (2091, 9434), (2173, 9078), (2703, 7298), (3026, 6519), (3649, 5406), (4182, 4717), (4346, 4539)]