18691498

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:622

約数の個数: 32

約数和(自身を含む): 33390720

約数和(自身を除く): 14699222

約数列:

[1, 2, 7, 14, 43, 61, 86, 122, 301, 427, 509, 602, 854, 1018, 2623, 3563, 5246, 7126, 18361, 21887, 31049, 36722, 43774, 62098, 153209, 217343, 306418, 434686, 1335107, 2670214, 9345749, 18691498]

約数ペア:

[(1, 18691498), (2, 9345749), (7, 2670214), (14, 1335107), (43, 434686), (61, 306418), (86, 217343), (122, 153209), (301, 62098), (427, 43774), (509, 36722), (602, 31049), (854, 21887), (1018, 18361), (2623, 7126), (3563, 5246)]