19712030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151631}}^1$

素因数の和:151651

約数の個数: 16

約数和(自身を含む): 38211264

約数和(自身を除く): 18499234

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151631, 303262, 758155, 1516310, 1971203, 3942406, 9856015, 19712030]

約数ペア:

[(1, 19712030), (2, 9856015), (5, 3942406), (10, 1971203), (13, 1516310), (26, 758155), (65, 303262), (130, 151631)]