19742016

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:456

約数の個数: 112

約数和(自身を含む): 61463936

約数和(自身を除く): 41721920

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 37, 42, 48, 56, 64, 74, 84, 96, 111, 112, 148, 168, 192, 222, 224, 259, 296, 336, 397, 444, 448, 518, 592, 672, 777, 794, 888, 1036, 1184, 1191, 1344, 1554, 1588, 1776, 2072, 2368, 2382, 2779, 3108, 3176, 3552, 4144, 4764, 5558, 6216, 6352, 7104, 8288, 8337, 9528, 11116, 12432, 12704, 14689, 16576, 16674, 19056, 22232, 24864, 25408, 29378, 33348, 38112, 44067, 44464, 49728, 58756, 66696, 76224, 88134, 88928, 102823, 117512, 133392, 176268, 177856, 205646, 235024, 266784, 308469, 352536, 411292, 470048, 533568, 616938, 705072, 822584, 940096, 1233876, 1410144, 1645168, 2467752, 2820288, 3290336, 4935504, 6580672, 9871008, 19742016]

約数ペア:

[(1, 19742016), (2, 9871008), (3, 6580672), (4, 4935504), (6, 3290336), (7, 2820288), (8, 2467752), (12, 1645168), (14, 1410144), (16, 1233876), (21, 940096), (24, 822584), (28, 705072), (32, 616938), (37, 533568), (42, 470048), (48, 411292), (56, 352536), (64, 308469), (74, 266784), (84, 235024), (96, 205646), (111, 177856), (112, 176268), (148, 133392), (168, 117512), (192, 102823), (222, 88928), (224, 88134), (259, 76224), (296, 66696), (336, 58756), (397, 49728), (444, 44464), (448, 44067), (518, 38112), (592, 33348), (672, 29378), (777, 25408), (794, 24864), (888, 22232), (1036, 19056), (1184, 16674), (1191, 16576), (1344, 14689), (1554, 12704), (1588, 12432), (1776, 11116), (2072, 9528), (2368, 8337), (2382, 8288), (2779, 7104), (3108, 6352), (3176, 6216), (3552, 5558), (4144, 4764)]