19707990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1861}}^1$

素因数の和:2224

約数の個数: 32

約数和(自身を含む): 47458656

約数和(自身を除く): 27750666

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 353, 706, 1059, 1765, 1861, 2118, 3530, 3722, 5295, 5583, 9305, 10590, 11166, 18610, 27915, 55830, 656933, 1313866, 1970799, 3284665, 3941598, 6569330, 9853995, 19707990]

約数ペア:

[(1, 19707990), (2, 9853995), (3, 6569330), (5, 3941598), (6, 3284665), (10, 1970799), (15, 1313866), (30, 656933), (353, 55830), (706, 27915), (1059, 18610), (1765, 11166), (1861, 10590), (2118, 9305), (3530, 5583), (3722, 5295)]