18837492039

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{937}}^1$

素因数の和:1209

約数の個数: 96

約数和(自身を含む): 31290779520

約数和(自身を除く): 12453287481

約数列:

[1, 3, 9, 17, 23, 29, 51, 69, 87, 153, 197, 207, 261, 391, 493, 591, 667, 937, 1173, 1479, 1773, 2001, 2811, 3349, 3519, 4437, 4531, 5713, 6003, 8433, 10047, 11339, 13593, 15929, 17139, 21551, 27173, 30141, 34017, 40779, 47787, 51417, 64653, 77027, 81519, 97121, 102051, 131399, 143361, 184589, 193959, 231081, 244557, 291363, 366367, 394197, 461941, 553767, 624979, 693243, 874089, 1099101, 1182591, 1385823, 1661301, 1874937, 2233783, 3138013, 3297303, 4157469, 4245547, 5353081, 5624811, 6701349, 9414039, 10624643, 12736641, 16059243, 20104047, 28242117, 31873929, 38209923, 48177729, 72174299, 91002377, 95621787, 123120863, 216522897, 273007131, 369362589, 649568691, 819021393, 1108087767, 2093054671, 6279164013, 18837492039]

約数ペア:

[(1, 18837492039), (3, 6279164013), (9, 2093054671), (17, 1108087767), (23, 819021393), (29, 649568691), (51, 369362589), (69, 273007131), (87, 216522897), (153, 123120863), (197, 95621787), (207, 91002377), (261, 72174299), (391, 48177729), (493, 38209923), (591, 31873929), (667, 28242117), (937, 20104047), (1173, 16059243), (1479, 12736641), (1773, 10624643), (2001, 9414039), (2811, 6701349), (3349, 5624811), (3519, 5353081), (4437, 4245547), (4531, 4157469), (5713, 3297303), (6003, 3138013), (8433, 2233783), (10047, 1874937), (11339, 1661301), (13593, 1385823), (15929, 1182591), (17139, 1099101), (21551, 874089), (27173, 693243), (30141, 624979), (34017, 553767), (40779, 461941), (47787, 394197), (51417, 366367), (64653, 291363), (77027, 244557), (81519, 231081), (97121, 193959), (102051, 184589), (131399, 143361)]