18389896

素因数分解:

$2^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1091}}^1$

素因数の和:1154

約数の個数: 48

約数和(自身を含む): 41081040

約数和(自身を除く): 22691144

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 49, 56, 86, 98, 172, 196, 301, 344, 392, 602, 1091, 1204, 2107, 2182, 2408, 4214, 4364, 7637, 8428, 8728, 15274, 16856, 30548, 46913, 53459, 61096, 93826, 106918, 187652, 213836, 328391, 375304, 427672, 656782, 1313564, 2298737, 2627128, 4597474, 9194948, 18389896]

約数ペア:

[(1, 18389896), (2, 9194948), (4, 4597474), (7, 2627128), (8, 2298737), (14, 1313564), (28, 656782), (43, 427672), (49, 375304), (56, 328391), (86, 213836), (98, 187652), (172, 106918), (196, 93826), (301, 61096), (344, 53459), (392, 46913), (602, 30548), (1091, 16856), (1204, 15274), (2107, 8728), (2182, 8428), (2408, 7637), (4214, 4364)]