18521304

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 48090240

約数和(自身を除く): 29568936

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 131, 137, 172, 258, 262, 274, 344, 393, 411, 516, 524, 548, 786, 822, 1032, 1048, 1096, 1572, 1644, 3144, 3288, 5633, 5891, 11266, 11782, 16899, 17673, 17947, 22532, 23564, 33798, 35346, 35894, 45064, 47128, 53841, 67596, 70692, 71788, 107682, 135192, 141384, 143576, 215364, 430728, 771721, 1543442, 2315163, 3086884, 4630326, 6173768, 9260652, 18521304]

約数ペア:

[(1, 18521304), (2, 9260652), (3, 6173768), (4, 4630326), (6, 3086884), (8, 2315163), (12, 1543442), (24, 771721), (43, 430728), (86, 215364), (129, 143576), (131, 141384), (137, 135192), (172, 107682), (258, 71788), (262, 70692), (274, 67596), (344, 53841), (393, 47128), (411, 45064), (516, 35894), (524, 35346), (548, 33798), (786, 23564), (822, 22532), (1032, 17947), (1048, 17673), (1096, 16899), (1572, 11782), (1644, 11266), (3144, 5891), (3288, 5633)]