19011780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:163

約数の個数: 192

約数和(自身を含む): 66528000

約数和(自身を除く): 47516220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 27, 30, 34, 36, 38, 45, 51, 54, 57, 60, 68, 76, 85, 90, 95, 102, 108, 109, 114, 135, 153, 170, 171, 180, 190, 204, 218, 228, 255, 270, 285, 306, 323, 327, 340, 342, 380, 436, 459, 510, 513, 540, 545, 570, 612, 646, 654, 684, 765, 855, 918, 969, 981, 1020, 1026, 1090, 1140, 1292, 1308, 1530, 1615, 1635, 1710, 1836, 1853, 1938, 1962, 2052, 2071, 2180, 2295, 2565, 2907, 2943, 3060, 3230, 3270, 3420, 3706, 3876, 3924, 4142, 4590, 4845, 4905, 5130, 5559, 5814, 5886, 6213, 6460, 6540, 7412, 8284, 8721, 9180, 9265, 9690, 9810, 10260, 10355, 11118, 11628, 11772, 12426, 14535, 14715, 16677, 17442, 18530, 18639, 19380, 19620, 20710, 22236, 24852, 27795, 29070, 29430, 31065, 33354, 34884, 35207, 37060, 37278, 41420, 43605, 50031, 55590, 55917, 58140, 58860, 62130, 66708, 70414, 74556, 83385, 87210, 93195, 100062, 105621, 111180, 111834, 124260, 140828, 166770, 174420, 176035, 186390, 200124, 211242, 223668, 250155, 279585, 316863, 333540, 352070, 372780, 422484, 500310, 528105, 559170, 633726, 704140, 950589, 1000620, 1056210, 1118340, 1267452, 1584315, 1901178, 2112420, 3168630, 3802356, 4752945, 6337260, 9505890, 19011780]

約数ペア:

[(1, 19011780), (2, 9505890), (3, 6337260), (4, 4752945), (5, 3802356), (6, 3168630), (9, 2112420), (10, 1901178), (12, 1584315), (15, 1267452), (17, 1118340), (18, 1056210), (19, 1000620), (20, 950589), (27, 704140), (30, 633726), (34, 559170), (36, 528105), (38, 500310), (45, 422484), (51, 372780), (54, 352070), (57, 333540), (60, 316863), (68, 279585), (76, 250155), (85, 223668), (90, 211242), (95, 200124), (102, 186390), (108, 176035), (109, 174420), (114, 166770), (135, 140828), (153, 124260), (170, 111834), (171, 111180), (180, 105621), (190, 100062), (204, 93195), (218, 87210), (228, 83385), (255, 74556), (270, 70414), (285, 66708), (306, 62130), (323, 58860), (327, 58140), (340, 55917), (342, 55590), (380, 50031), (436, 43605), (459, 41420), (510, 37278), (513, 37060), (540, 35207), (545, 34884), (570, 33354), (612, 31065), (646, 29430), (654, 29070), (684, 27795), (765, 24852), (855, 22236), (918, 20710), (969, 19620), (981, 19380), (1020, 18639), (1026, 18530), (1090, 17442), (1140, 16677), (1292, 14715), (1308, 14535), (1530, 12426), (1615, 11772), (1635, 11628), (1710, 11118), (1836, 10355), (1853, 10260), (1938, 9810), (1962, 9690), (2052, 9265), (2071, 9180), (2180, 8721), (2295, 8284), (2565, 7412), (2907, 6540), (2943, 6460), (3060, 6213), (3230, 5886), (3270, 5814), (3420, 5559), (3706, 5130), (3876, 4905), (3924, 4845), (4142, 4590)]