18995860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73061}}^1$

素因数の和:73083

約数の個数: 24

約数和(自身を含む): 42960456

約数和(自身を除く): 23964596

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 73061, 146122, 292244, 365305, 730610, 949793, 1461220, 1899586, 3799172, 4748965, 9497930, 18995860]

約数ペア:

[(1, 18995860), (2, 9497930), (4, 4748965), (5, 3799172), (10, 1899586), (13, 1461220), (20, 949793), (26, 730610), (52, 365305), (65, 292244), (130, 146122), (260, 73061)]