18251018492

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21026519}}^1$

素因数の和:21026561

約数の個数: 24

約数和(自身を含む): 37679523840

約数和(自身を除く): 19428505348

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 21026519, 42053038, 84106076, 147185633, 294371266, 588742532, 651822089, 1303644178, 2607288356, 4562754623, 9125509246, 18251018492]

約数ペア:

[(1, 18251018492), (2, 9125509246), (4, 4562754623), (7, 2607288356), (14, 1303644178), (28, 651822089), (31, 588742532), (62, 294371266), (124, 147185633), (217, 84106076), (434, 42053038), (868, 21026519)]