18606704

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1021}}^1$

素因数の和:1113

約数の個数: 40

約数和(自身を含む): 38778768

約数和(自身を除く): 20172064

約数列:

[1, 2, 4, 8, 16, 17, 34, 67, 68, 134, 136, 268, 272, 536, 1021, 1072, 1139, 2042, 2278, 4084, 4556, 8168, 9112, 16336, 17357, 18224, 34714, 68407, 69428, 136814, 138856, 273628, 277712, 547256, 1094512, 1162919, 2325838, 4651676, 9303352, 18606704]

約数ペア:

[(1, 18606704), (2, 9303352), (4, 4651676), (8, 2325838), (16, 1162919), (17, 1094512), (34, 547256), (67, 277712), (68, 273628), (134, 138856), (136, 136814), (268, 69428), (272, 68407), (536, 34714), (1021, 18224), (1072, 17357), (1139, 16336), (2042, 9112), (2278, 8168), (4084, 4556)]