19029855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4243}}^1$

素因数の和:4287

約数の個数: 32

約数和(自身を含む): 34223616

約数和(自身を除く): 15193761

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4243, 4485, 12729, 21215, 55159, 63645, 97589, 165477, 275795, 292767, 487945, 827385, 1268657, 1463835, 3805971, 6343285, 19029855]

約数ペア:

[(1, 19029855), (3, 6343285), (5, 3805971), (13, 1463835), (15, 1268657), (23, 827385), (39, 487945), (65, 292767), (69, 275795), (115, 165477), (195, 97589), (299, 63645), (345, 55159), (897, 21215), (1495, 12729), (4243, 4485)]