18326816

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{571}}^1$

素因数の和:657

約数の個数: 48

約数和(自身を含む): 38918880

約数和(自身を除く): 20592064

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 59, 68, 118, 136, 236, 272, 472, 544, 571, 944, 1003, 1142, 1888, 2006, 2284, 4012, 4568, 8024, 9136, 9707, 16048, 18272, 19414, 32096, 33689, 38828, 67378, 77656, 134756, 155312, 269512, 310624, 539024, 572713, 1078048, 1145426, 2290852, 4581704, 9163408, 18326816]

約数ペア:

[(1, 18326816), (2, 9163408), (4, 4581704), (8, 2290852), (16, 1145426), (17, 1078048), (32, 572713), (34, 539024), (59, 310624), (68, 269512), (118, 155312), (136, 134756), (236, 77656), (272, 67378), (472, 38828), (544, 33689), (571, 32096), (944, 19414), (1003, 18272), (1142, 16048), (1888, 9707), (2006, 9136), (2284, 8024), (4012, 4568)]