18504388

素因数分解:

$2^2\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1031}}^1$

素因数の和:1683

約数の個数: 24

約数和(自身を含む): 37102464

約数和(自身を除く): 18598076

約数列:

[1, 2, 4, 7, 14, 28, 641, 1031, 1282, 2062, 2564, 4124, 4487, 7217, 8974, 14434, 17948, 28868, 660871, 1321742, 2643484, 4626097, 9252194, 18504388]

約数ペア:

[(1, 18504388), (2, 9252194), (4, 4626097), (7, 2643484), (14, 1321742), (28, 660871), (641, 28868), (1031, 17948), (1282, 14434), (2062, 8974), (2564, 7217), (4124, 4487)]