19518018

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{6763}}^1$

素因数の和:6818

約数の個数: 32

約数和(自身を含む): 43181376

約数和(自身を除く): 23663358

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 481, 962, 1443, 2886, 6763, 13526, 20289, 40578, 87919, 175838, 250231, 263757, 500462, 527514, 750693, 1501386, 3253003, 6506006, 9759009, 19518018]

約数ペア:

[(1, 19518018), (2, 9759009), (3, 6506006), (6, 3253003), (13, 1501386), (26, 750693), (37, 527514), (39, 500462), (74, 263757), (78, 250231), (111, 175838), (222, 87919), (481, 40578), (962, 20289), (1443, 13526), (2886, 6763)]