19395990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{71837}}^1$

素因数の和:71853

約数の個数: 32

約数和(自身を含む): 51723360

約数和(自身を除く): 32327370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 71837, 143674, 215511, 359185, 431022, 646533, 718370, 1077555, 1293066, 1939599, 2155110, 3232665, 3879198, 6465330, 9697995, 19395990]

約数ペア:

[(1, 19395990), (2, 9697995), (3, 6465330), (5, 3879198), (6, 3232665), (9, 2155110), (10, 1939599), (15, 1293066), (18, 1077555), (27, 718370), (30, 646533), (45, 431022), (54, 359185), (90, 215511), (135, 143674), (270, 71837)]