19571013

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{911}}^1$

素因数の和:966

約数の個数: 48

約数和(自身を含む): 36421632

約数和(自身を除く): 16850619

約数列:

[1, 3, 7, 9, 11, 21, 31, 33, 63, 77, 93, 99, 217, 231, 279, 341, 651, 693, 911, 1023, 1953, 2387, 2733, 3069, 6377, 7161, 8199, 10021, 19131, 21483, 28241, 30063, 57393, 70147, 84723, 90189, 197687, 210441, 254169, 310651, 593061, 631323, 931953, 1779183, 2174557, 2795859, 6523671, 19571013]

約数ペア:

[(1, 19571013), (3, 6523671), (7, 2795859), (9, 2174557), (11, 1779183), (21, 931953), (31, 631323), (33, 593061), (63, 310651), (77, 254169), (93, 210441), (99, 197687), (217, 90189), (231, 84723), (279, 70147), (341, 57393), (651, 30063), (693, 28241), (911, 21483), (1023, 19131), (1953, 10021), (2387, 8199), (2733, 7161), (3069, 6377)]