17999719906

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{326567}}^1$

素因数の和:326734

約数の個数: 32

約数和(自身を含む): 32102940672

約数和(自身を除く): 14103220766

約数列:

[1, 2, 7, 14, 31, 62, 127, 217, 254, 434, 889, 1778, 3937, 7874, 27559, 55118, 326567, 653134, 2285969, 4571938, 10123577, 20247154, 41474009, 70865039, 82948018, 141730078, 290318063, 580636126, 1285694279, 2571388558, 8999859953, 17999719906]

約数ペア:

[(1, 17999719906), (2, 8999859953), (7, 2571388558), (14, 1285694279), (31, 580636126), (62, 290318063), (127, 141730078), (217, 82948018), (254, 70865039), (434, 41474009), (889, 20247154), (1778, 10123577), (3937, 4571938), (7874, 2285969), (27559, 653134), (55118, 326567)]