18156610

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{457}}^1$

素因数の和:630

約数の個数: 32

約数和(自身を含む): 34130160

約数和(自身を除く): 15973550

約数列:

[1, 2, 5, 10, 29, 58, 137, 145, 274, 290, 457, 685, 914, 1370, 2285, 3973, 4570, 7946, 13253, 19865, 26506, 39730, 62609, 66265, 125218, 132530, 313045, 626090, 1815661, 3631322, 9078305, 18156610]

約数ペア:

[(1, 18156610), (2, 9078305), (5, 3631322), (10, 1815661), (29, 626090), (58, 313045), (137, 132530), (145, 125218), (274, 66265), (290, 62609), (457, 39730), (685, 26506), (914, 19865), (1370, 13253), (2285, 7946), (3973, 4570)]