18485656

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3709}}^1$

素因数の和:3811

約数の個数: 32

約数和(自身を含む): 40068000

約数和(自身を除く): 21582344

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 712, 1246, 2492, 3709, 4984, 7418, 14836, 25963, 29672, 51926, 103852, 207704, 330101, 660202, 1320404, 2310707, 2640808, 4621414, 9242828, 18485656]

約数ペア:

[(1, 18485656), (2, 9242828), (4, 4621414), (7, 2640808), (8, 2310707), (14, 1320404), (28, 660202), (56, 330101), (89, 207704), (178, 103852), (356, 51926), (623, 29672), (712, 25963), (1246, 14836), (2492, 7418), (3709, 4984)]