18678710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2657}}^1$

素因数の和:2720

約数の個数: 32

約数和(自身を含む): 36361440

約数和(自身を除く): 17682730

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 185, 190, 370, 703, 1406, 2657, 3515, 5314, 7030, 13285, 26570, 50483, 98309, 100966, 196618, 252415, 491545, 504830, 983090, 1867871, 3735742, 9339355, 18678710]

約数ペア:

[(1, 18678710), (2, 9339355), (5, 3735742), (10, 1867871), (19, 983090), (37, 504830), (38, 491545), (74, 252415), (95, 196618), (185, 100966), (190, 98309), (370, 50483), (703, 26570), (1406, 13285), (2657, 7030), (3515, 5314)]