16988886

素因数分解:

$2^1\times 3^3\times {\mathrm{197}}^1\times {\mathrm{1597}}^1$

素因数の和:1805

約数の個数: 32

約数和(自身を含む): 37968480

約数和(自身を除く): 20979594

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 197, 394, 591, 1182, 1597, 1773, 3194, 3546, 4791, 5319, 9582, 10638, 14373, 28746, 43119, 86238, 314609, 629218, 943827, 1887654, 2831481, 5662962, 8494443, 16988886]

約数ペア:

[(1, 16988886), (2, 8494443), (3, 5662962), (6, 2831481), (9, 1887654), (18, 943827), (27, 629218), (54, 314609), (197, 86238), (394, 43119), (591, 28746), (1182, 14373), (1597, 10638), (1773, 9582), (3194, 5319), (3546, 4791)]