18519408

素因数分解:

$2^4\times 3^3\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:443

約数の個数: 80

約数和(自身を含む): 53687040

約数和(自身を除く): 35167632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 163, 216, 263, 326, 432, 489, 526, 652, 789, 978, 1052, 1304, 1467, 1578, 1956, 2104, 2367, 2608, 2934, 3156, 3912, 4208, 4401, 4734, 5868, 6312, 7101, 7824, 8802, 9468, 11736, 12624, 14202, 17604, 18936, 23472, 28404, 35208, 37872, 42869, 56808, 70416, 85738, 113616, 128607, 171476, 257214, 342952, 385821, 514428, 685904, 771642, 1028856, 1157463, 1543284, 2057712, 2314926, 3086568, 4629852, 6173136, 9259704, 18519408]

約数ペア:

[(1, 18519408), (2, 9259704), (3, 6173136), (4, 4629852), (6, 3086568), (8, 2314926), (9, 2057712), (12, 1543284), (16, 1157463), (18, 1028856), (24, 771642), (27, 685904), (36, 514428), (48, 385821), (54, 342952), (72, 257214), (108, 171476), (144, 128607), (163, 113616), (216, 85738), (263, 70416), (326, 56808), (432, 42869), (489, 37872), (526, 35208), (652, 28404), (789, 23472), (978, 18936), (1052, 17604), (1304, 14202), (1467, 12624), (1578, 11736), (1956, 9468), (2104, 8802), (2367, 7824), (2608, 7101), (2934, 6312), (3156, 5868), (3912, 4734), (4208, 4401)]