18952479

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 34262592

約数和(自身を除く): 15310113

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 73, 91, 117, 219, 273, 317, 511, 657, 819, 949, 951, 1533, 2219, 2847, 2853, 4121, 4599, 6643, 6657, 8541, 12363, 19929, 19971, 23141, 28847, 37089, 59787, 69423, 86541, 161987, 208269, 259623, 300833, 485961, 902499, 1457883, 2105831, 2707497, 6317493, 18952479]

約数ペア:

[(1, 18952479), (3, 6317493), (7, 2707497), (9, 2105831), (13, 1457883), (21, 902499), (39, 485961), (63, 300833), (73, 259623), (91, 208269), (117, 161987), (219, 86541), (273, 69423), (317, 59787), (511, 37089), (657, 28847), (819, 23141), (949, 19971), (951, 19929), (1533, 12363), (2219, 8541), (2847, 6657), (2853, 6643), (4121, 4599)]