17853368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 38102400

約数和(自身を除く): 20249032

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 53, 79, 82, 104, 106, 158, 164, 212, 316, 328, 424, 533, 632, 689, 1027, 1066, 1378, 2054, 2132, 2173, 2756, 3239, 4108, 4187, 4264, 4346, 5512, 6478, 8216, 8374, 8692, 12956, 16748, 17384, 25912, 28249, 33496, 42107, 54431, 56498, 84214, 108862, 112996, 168428, 171667, 217724, 225992, 336856, 343334, 435448, 686668, 1373336, 2231671, 4463342, 8926684, 17853368]

約数ペア:

[(1, 17853368), (2, 8926684), (4, 4463342), (8, 2231671), (13, 1373336), (26, 686668), (41, 435448), (52, 343334), (53, 336856), (79, 225992), (82, 217724), (104, 171667), (106, 168428), (158, 112996), (164, 108862), (212, 84214), (316, 56498), (328, 54431), (424, 42107), (533, 33496), (632, 28249), (689, 25912), (1027, 17384), (1066, 16748), (1378, 12956), (2054, 8692), (2132, 8374), (2173, 8216), (2756, 6478), (3239, 5512), (4108, 4346), (4187, 4264)]