19188279

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^2$

素因数の和:149

約数の個数: 48

約数和(自身を含む): 32981760

約数和(自身を除く): 13793481

約数列:

[1, 3, 9, 11, 23, 27, 33, 53, 69, 99, 159, 207, 253, 297, 477, 583, 621, 759, 1219, 1431, 1749, 2277, 2809, 3657, 5247, 6831, 8427, 10971, 13409, 15741, 25281, 30899, 32913, 40227, 64607, 75843, 92697, 120681, 193821, 278091, 362043, 581463, 710677, 834273, 1744389, 2132031, 6396093, 19188279]

約数ペア:

[(1, 19188279), (3, 6396093), (9, 2132031), (11, 1744389), (23, 834273), (27, 710677), (33, 581463), (53, 362043), (69, 278091), (99, 193821), (159, 120681), (207, 92697), (253, 75843), (297, 64607), (477, 40227), (583, 32913), (621, 30899), (759, 25281), (1219, 15741), (1431, 13409), (1749, 10971), (2277, 8427), (2809, 6831), (3657, 5247)]