18062980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69473}}^1$

素因数の和:69495

約数の個数: 24

約数和(自身を含む): 40850712

約数和(自身を除く): 22787732

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 69473, 138946, 277892, 347365, 694730, 903149, 1389460, 1806298, 3612596, 4515745, 9031490, 18062980]

約数ペア:

[(1, 18062980), (2, 9031490), (4, 4515745), (5, 3612596), (10, 1806298), (13, 1389460), (20, 903149), (26, 694730), (52, 347365), (65, 277892), (130, 138946), (260, 69473)]