19165718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3527}}^1$

素因数の和:3572

約数の個数: 32

約数和(自身を含む): 35562240

約数和(自身を除く): 16396522

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 143, 209, 247, 286, 418, 494, 2717, 3527, 5434, 7054, 38797, 45851, 67013, 77594, 91702, 134026, 504361, 737143, 871169, 1008722, 1474286, 1742338, 9582859, 19165718]

約数ペア:

[(1, 19165718), (2, 9582859), (11, 1742338), (13, 1474286), (19, 1008722), (22, 871169), (26, 737143), (38, 504361), (143, 134026), (209, 91702), (247, 77594), (286, 67013), (418, 45851), (494, 38797), (2717, 7054), (3527, 5434)]