15690894140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{21203911}}^1$

素因数の和:21203957

約数の個数: 24

約数和(自身を含む): 33841443552

約数和(自身を除く): 18150549412

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 21203911, 42407822, 84815644, 106019555, 212039110, 424078220, 784544707, 1569089414, 3138178828, 3922723535, 7845447070, 15690894140]

約数ペア:

[(1, 15690894140), (2, 7845447070), (4, 3922723535), (5, 3138178828), (10, 1569089414), (20, 784544707), (37, 424078220), (74, 212039110), (148, 106019555), (185, 84815644), (370, 42407822), (740, 21203911)]