18780070

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1811}}^1$

素因数の和:1896

約数の個数: 32

約数和(自身を含む): 36399456

約数和(自身を除く): 17619386

約数列:

[1, 2, 5, 10, 17, 34, 61, 85, 122, 170, 305, 610, 1037, 1811, 2074, 3622, 5185, 9055, 10370, 18110, 30787, 61574, 110471, 153935, 220942, 307870, 552355, 1104710, 1878007, 3756014, 9390035, 18780070]

約数ペア:

[(1, 18780070), (2, 9390035), (5, 3756014), (10, 1878007), (17, 1104710), (34, 552355), (61, 307870), (85, 220942), (122, 153935), (170, 110471), (305, 61574), (610, 30787), (1037, 18110), (1811, 10370), (2074, 9055), (3622, 5185)]