20180967174

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{136511}}^1$

素因数の和:136753

約数の個数: 48

約数和(自身を含む): 44976881664

約数和(自身を除く): 24795914490

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 191, 258, 382, 387, 573, 774, 1146, 1719, 3438, 8213, 16426, 24639, 49278, 73917, 136511, 147834, 273022, 409533, 819066, 1228599, 2457198, 5869973, 11739946, 17609919, 26073601, 35219838, 52147202, 52829757, 78220803, 105659514, 156441606, 234662409, 469324818, 1121164843, 2242329686, 3363494529, 6726989058, 10090483587, 20180967174]

約数ペア:

[(1, 20180967174), (2, 10090483587), (3, 6726989058), (6, 3363494529), (9, 2242329686), (18, 1121164843), (43, 469324818), (86, 234662409), (129, 156441606), (191, 105659514), (258, 78220803), (382, 52829757), (387, 52147202), (573, 35219838), (774, 26073601), (1146, 17609919), (1719, 11739946), (3438, 5869973), (8213, 2457198), (16426, 1228599), (24639, 819066), (49278, 409533), (73917, 273022), (136511, 147834)]