19702930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151561}}^1$

素因数の和:151581

約数の個数: 16

約数和(自身を含む): 38193624

約数和(自身を除く): 18490694

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151561, 303122, 757805, 1515610, 1970293, 3940586, 9851465, 19702930]

約数ペア:

[(1, 19702930), (2, 9851465), (5, 3940586), (10, 1970293), (13, 1515610), (26, 757805), (65, 303122), (130, 151561)]