18892636

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2351}}^1$

素因数の和:2410

約数の個数: 36

約数和(自身を含む): 39414816

約数和(自身を除く): 20522180

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 574, 1148, 2009, 2351, 4018, 4702, 8036, 9404, 16457, 32914, 65828, 96391, 115199, 192782, 230398, 385564, 460796, 674737, 1349474, 2698948, 4723159, 9446318, 18892636]

約数ペア:

[(1, 18892636), (2, 9446318), (4, 4723159), (7, 2698948), (14, 1349474), (28, 674737), (41, 460796), (49, 385564), (82, 230398), (98, 192782), (164, 115199), (196, 96391), (287, 65828), (574, 32914), (1148, 16457), (2009, 9404), (2351, 8036), (4018, 4702)]