19641699

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4049}}^1$

素因数の和:4080

約数の個数: 36

約数和(自身を含む): 36012600

約数和(自身を除く): 16370901

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 441, 539, 693, 1617, 4049, 4851, 12147, 28343, 36441, 44539, 85029, 133617, 198401, 255087, 311773, 400851, 595203, 935319, 1785609, 2182411, 2805957, 6547233, 19641699]

約数ペア:

[(1, 19641699), (3, 6547233), (7, 2805957), (9, 2182411), (11, 1785609), (21, 935319), (33, 595203), (49, 400851), (63, 311773), (77, 255087), (99, 198401), (147, 133617), (231, 85029), (441, 44539), (539, 36441), (693, 28343), (1617, 12147), (4049, 4851)]