19816524

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:316

約数の個数: 144

約数和(自身を含む): 64576512

約数和(自身を除く): 44759988

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 23, 26, 28, 36, 39, 42, 46, 52, 63, 69, 78, 84, 91, 92, 117, 126, 138, 156, 161, 182, 207, 234, 252, 263, 273, 276, 299, 322, 364, 414, 468, 483, 526, 546, 598, 644, 789, 819, 828, 897, 966, 1052, 1092, 1196, 1449, 1578, 1638, 1794, 1841, 1932, 2093, 2367, 2691, 2898, 3156, 3276, 3419, 3588, 3682, 4186, 4734, 5382, 5523, 5796, 6049, 6279, 6838, 7364, 8372, 9468, 10257, 10764, 11046, 12098, 12558, 13676, 16569, 18147, 18837, 20514, 22092, 23933, 24196, 25116, 30771, 33138, 36294, 37674, 41028, 42343, 47866, 54441, 61542, 66276, 71799, 72588, 75348, 78637, 84686, 95732, 108882, 123084, 127029, 143598, 157274, 169372, 215397, 217764, 235911, 254058, 287196, 314548, 381087, 430794, 471822, 508116, 550459, 707733, 762174, 861588, 943644, 1100918, 1415466, 1524348, 1651377, 2201836, 2830932, 3302754, 4954131, 6605508, 9908262, 19816524]

約数ペア:

[(1, 19816524), (2, 9908262), (3, 6605508), (4, 4954131), (6, 3302754), (7, 2830932), (9, 2201836), (12, 1651377), (13, 1524348), (14, 1415466), (18, 1100918), (21, 943644), (23, 861588), (26, 762174), (28, 707733), (36, 550459), (39, 508116), (42, 471822), (46, 430794), (52, 381087), (63, 314548), (69, 287196), (78, 254058), (84, 235911), (91, 217764), (92, 215397), (117, 169372), (126, 157274), (138, 143598), (156, 127029), (161, 123084), (182, 108882), (207, 95732), (234, 84686), (252, 78637), (263, 75348), (273, 72588), (276, 71799), (299, 66276), (322, 61542), (364, 54441), (414, 47866), (468, 42343), (483, 41028), (526, 37674), (546, 36294), (598, 33138), (644, 30771), (789, 25116), (819, 24196), (828, 23933), (897, 22092), (966, 20514), (1052, 18837), (1092, 18147), (1196, 16569), (1449, 13676), (1578, 12558), (1638, 12098), (1794, 11046), (1841, 10764), (1932, 10257), (2093, 9468), (2367, 8372), (2691, 7364), (2898, 6838), (3156, 6279), (3276, 6049), (3419, 5796), (3588, 5523), (3682, 5382), (4186, 4734)]