19811484

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1021}}^1$

素因数の和:1056

約数の個数: 108

約数和(自身を含む): 63613368

約数和(自身を除く): 43801884

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 49, 63, 66, 77, 84, 98, 99, 126, 132, 147, 154, 196, 198, 231, 252, 294, 308, 396, 441, 462, 539, 588, 693, 882, 924, 1021, 1078, 1386, 1617, 1764, 2042, 2156, 2772, 3063, 3234, 4084, 4851, 6126, 6468, 7147, 9189, 9702, 11231, 12252, 14294, 18378, 19404, 21441, 22462, 28588, 33693, 36756, 42882, 44924, 50029, 64323, 67386, 78617, 85764, 100058, 101079, 128646, 134772, 150087, 157234, 200116, 202158, 235851, 257292, 300174, 314468, 404316, 450261, 471702, 550319, 600348, 707553, 900522, 943404, 1100638, 1415106, 1650957, 1801044, 2201276, 2830212, 3301914, 4952871, 6603828, 9905742, 19811484]

約数ペア:

[(1, 19811484), (2, 9905742), (3, 6603828), (4, 4952871), (6, 3301914), (7, 2830212), (9, 2201276), (11, 1801044), (12, 1650957), (14, 1415106), (18, 1100638), (21, 943404), (22, 900522), (28, 707553), (33, 600348), (36, 550319), (42, 471702), (44, 450261), (49, 404316), (63, 314468), (66, 300174), (77, 257292), (84, 235851), (98, 202158), (99, 200116), (126, 157234), (132, 150087), (147, 134772), (154, 128646), (196, 101079), (198, 100058), (231, 85764), (252, 78617), (294, 67386), (308, 64323), (396, 50029), (441, 44924), (462, 42882), (539, 36756), (588, 33693), (693, 28588), (882, 22462), (924, 21441), (1021, 19404), (1078, 18378), (1386, 14294), (1617, 12252), (1764, 11231), (2042, 9702), (2156, 9189), (2772, 7147), (3063, 6468), (3234, 6126), (4084, 4851)]