18977184

素因数分解:

$2^5\times 3^2\times {\mathrm{131}}^1\times {\mathrm{503}}^1$

素因数の和:650

約数の個数: 72

約数和(自身を含む): 54486432

約数和(自身を除く): 35509248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 131, 144, 262, 288, 393, 503, 524, 786, 1006, 1048, 1179, 1509, 1572, 2012, 2096, 2358, 3018, 3144, 4024, 4192, 4527, 4716, 6036, 6288, 8048, 9054, 9432, 12072, 12576, 16096, 18108, 18864, 24144, 36216, 37728, 48288, 65893, 72432, 131786, 144864, 197679, 263572, 395358, 527144, 593037, 790716, 1054288, 1186074, 1581432, 2108576, 2372148, 3162864, 4744296, 6325728, 9488592, 18977184]

約数ペア:

[(1, 18977184), (2, 9488592), (3, 6325728), (4, 4744296), (6, 3162864), (8, 2372148), (9, 2108576), (12, 1581432), (16, 1186074), (18, 1054288), (24, 790716), (32, 593037), (36, 527144), (48, 395358), (72, 263572), (96, 197679), (131, 144864), (144, 131786), (262, 72432), (288, 65893), (393, 48288), (503, 37728), (524, 36216), (786, 24144), (1006, 18864), (1048, 18108), (1179, 16096), (1509, 12576), (1572, 12072), (2012, 9432), (2096, 9054), (2358, 8048), (3018, 6288), (3144, 6036), (4024, 4716), (4192, 4527)]