19807612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{6719}}^1$

素因数の和:6801

約数の個数: 24

約数和(自身を含む): 38384640

約数和(自身を除く): 18577028

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 268, 737, 1474, 2948, 6719, 13438, 26876, 73909, 147818, 295636, 450173, 900346, 1800692, 4951903, 9903806, 19807612]

約数ペア:

[(1, 19807612), (2, 9903806), (4, 4951903), (11, 1800692), (22, 900346), (44, 450173), (67, 295636), (134, 147818), (268, 73909), (737, 26876), (1474, 13438), (2948, 6719)]