17818388

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{12007}}^1$

素因数の和:12071

約数の個数: 24

約数和(自身を含む): 36312192

約数和(自身を除く): 18493804

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 12007, 24014, 48028, 84049, 168098, 336196, 636371, 1272742, 2545484, 4454597, 8909194, 17818388]

約数ペア:

[(1, 17818388), (2, 8909194), (4, 4454597), (7, 2545484), (14, 1272742), (28, 636371), (53, 336196), (106, 168098), (212, 84049), (371, 48028), (742, 24014), (1484, 12007)]