18986940

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{5023}}^1$

素因数の和:5048

約数の個数: 96

約数和(自身を含む): 67522560

約数和(自身を除く): 48535620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 5023, 10046, 15069, 20092, 25115, 30138, 35161, 45207, 50230, 60276, 70322, 75345, 90414, 100460, 105483, 135621, 140644, 150690, 175805, 180828, 210966, 226035, 271242, 301380, 316449, 351610, 421932, 452070, 527415, 542484, 632898, 678105, 703220, 904140, 949347, 1054830, 1265796, 1356210, 1582245, 1898694, 2109660, 2712420, 3164490, 3797388, 4746735, 6328980, 9493470, 18986940]

約数ペア:

[(1, 18986940), (2, 9493470), (3, 6328980), (4, 4746735), (5, 3797388), (6, 3164490), (7, 2712420), (9, 2109660), (10, 1898694), (12, 1582245), (14, 1356210), (15, 1265796), (18, 1054830), (20, 949347), (21, 904140), (27, 703220), (28, 678105), (30, 632898), (35, 542484), (36, 527415), (42, 452070), (45, 421932), (54, 351610), (60, 316449), (63, 301380), (70, 271242), (84, 226035), (90, 210966), (105, 180828), (108, 175805), (126, 150690), (135, 140644), (140, 135621), (180, 105483), (189, 100460), (210, 90414), (252, 75345), (270, 70322), (315, 60276), (378, 50230), (420, 45207), (540, 35161), (630, 30138), (756, 25115), (945, 20092), (1260, 15069), (1890, 10046), (3780, 5023)]