19706445

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{971}}^1$

素因数の和:1034

約数の個数: 48

約数和(自身を含む): 38211264

約数和(自身を除く): 18504819

約数列:

[1, 3, 5, 9, 11, 15, 33, 41, 45, 55, 99, 123, 165, 205, 369, 451, 495, 615, 971, 1353, 1845, 2255, 2913, 4059, 4855, 6765, 8739, 10681, 14565, 20295, 32043, 39811, 43695, 53405, 96129, 119433, 160215, 199055, 358299, 437921, 480645, 597165, 1313763, 1791495, 2189605, 3941289, 6568815, 19706445]

約数ペア:

[(1, 19706445), (3, 6568815), (5, 3941289), (9, 2189605), (11, 1791495), (15, 1313763), (33, 597165), (41, 480645), (45, 437921), (55, 358299), (99, 199055), (123, 160215), (165, 119433), (205, 96129), (369, 53405), (451, 43695), (495, 39811), (615, 32043), (971, 20295), (1353, 14565), (1845, 10681), (2255, 8739), (2913, 6765), (4059, 4855)]