19528020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1$

素因数の和:119

約数の個数: 144

約数和(自身を含む): 64384320

約数和(自身を除く): 44856300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 43, 45, 54, 58, 60, 86, 87, 90, 108, 116, 129, 135, 145, 172, 174, 180, 215, 258, 261, 270, 290, 348, 387, 430, 435, 516, 522, 540, 580, 645, 774, 783, 841, 860, 870, 1044, 1161, 1247, 1290, 1305, 1548, 1566, 1682, 1740, 1935, 2322, 2494, 2523, 2580, 2610, 3132, 3364, 3741, 3870, 3915, 4205, 4644, 4988, 5046, 5220, 5805, 6235, 7482, 7569, 7740, 7830, 8410, 10092, 11223, 11610, 12470, 12615, 14964, 15138, 15660, 16820, 18705, 22446, 22707, 23220, 24940, 25230, 30276, 33669, 36163, 37410, 37845, 44892, 45414, 50460, 56115, 67338, 72326, 74820, 75690, 90828, 108489, 112230, 113535, 134676, 144652, 151380, 168345, 180815, 216978, 224460, 227070, 325467, 336690, 361630, 433956, 454140, 542445, 650934, 673380, 723260, 976401, 1084890, 1301868, 1627335, 1952802, 2169780, 3254670, 3905604, 4882005, 6509340, 9764010, 19528020]

約数ペア:

[(1, 19528020), (2, 9764010), (3, 6509340), (4, 4882005), (5, 3905604), (6, 3254670), (9, 2169780), (10, 1952802), (12, 1627335), (15, 1301868), (18, 1084890), (20, 976401), (27, 723260), (29, 673380), (30, 650934), (36, 542445), (43, 454140), (45, 433956), (54, 361630), (58, 336690), (60, 325467), (86, 227070), (87, 224460), (90, 216978), (108, 180815), (116, 168345), (129, 151380), (135, 144652), (145, 134676), (172, 113535), (174, 112230), (180, 108489), (215, 90828), (258, 75690), (261, 74820), (270, 72326), (290, 67338), (348, 56115), (387, 50460), (430, 45414), (435, 44892), (516, 37845), (522, 37410), (540, 36163), (580, 33669), (645, 30276), (774, 25230), (783, 24940), (841, 23220), (860, 22707), (870, 22446), (1044, 18705), (1161, 16820), (1247, 15660), (1290, 15138), (1305, 14964), (1548, 12615), (1566, 12470), (1682, 11610), (1740, 11223), (1935, 10092), (2322, 8410), (2494, 7830), (2523, 7740), (2580, 7569), (2610, 7482), (3132, 6235), (3364, 5805), (3741, 5220), (3870, 5046), (3915, 4988), (4205, 4644)]