18878161764

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20430911}}^1$

素因数の和:20430936

約数の個数: 48

約数和(自身を含む): 54918291456

約数和(自身を除く): 36040129692

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 20430911, 40861822, 61292733, 81723644, 122585466, 143016377, 224740021, 245170932, 286032754, 429049131, 449480042, 572065508, 674220063, 858098262, 898960084, 1348440126, 1573180147, 1716196524, 2696880252, 3146360294, 4719540441, 6292720588, 9439080882, 18878161764]

約数ペア:

[(1, 18878161764), (2, 9439080882), (3, 6292720588), (4, 4719540441), (6, 3146360294), (7, 2696880252), (11, 1716196524), (12, 1573180147), (14, 1348440126), (21, 898960084), (22, 858098262), (28, 674220063), (33, 572065508), (42, 449480042), (44, 429049131), (66, 286032754), (77, 245170932), (84, 224740021), (132, 143016377), (154, 122585466), (231, 81723644), (308, 61292733), (462, 40861822), (924, 20430911)]