19998582996

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{1361}}^1\times {\mathrm{174929}}^1$

素因数の和:176304

約数の個数: 48

約数和(自身を含む): 53369043840

約数和(自身を除く): 33370460844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 1361, 2722, 4083, 5444, 8166, 9527, 16332, 19054, 28581, 38108, 57162, 114324, 174929, 349858, 524787, 699716, 1049574, 1224503, 2099148, 2449006, 3673509, 4898012, 7347018, 14694036, 238078369, 476156738, 714235107, 952313476, 1428470214, 1666548583, 2856940428, 3333097166, 4999645749, 6666194332, 9999291498, 19998582996]

約数ペア:

[(1, 19998582996), (2, 9999291498), (3, 6666194332), (4, 4999645749), (6, 3333097166), (7, 2856940428), (12, 1666548583), (14, 1428470214), (21, 952313476), (28, 714235107), (42, 476156738), (84, 238078369), (1361, 14694036), (2722, 7347018), (4083, 4898012), (5444, 3673509), (8166, 2449006), (9527, 2099148), (16332, 1224503), (19054, 1049574), (28581, 699716), (38108, 524787), (57162, 349858), (114324, 174929)]