18287948

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{4007}}^1$

素因数の和:4181

約数の個数: 24

約数和(自身を含む): 36809472

約数和(自身を除く): 18521524

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1141, 2282, 4007, 4564, 8014, 16028, 28049, 56098, 112196, 653141, 1306282, 2612564, 4571987, 9143974, 18287948]

約数ペア:

[(1, 18287948), (2, 9143974), (4, 4571987), (7, 2612564), (14, 1306282), (28, 653141), (163, 112196), (326, 56098), (652, 28049), (1141, 16028), (2282, 8014), (4007, 4564)]