18856980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{104761}}^1$

素因数の和:104776

約数の個数: 36

約数和(自身を含む): 57200052

約数和(自身を除く): 38343072

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 104761, 209522, 314283, 419044, 523805, 628566, 942849, 1047610, 1257132, 1571415, 1885698, 2095220, 3142830, 3771396, 4714245, 6285660, 9428490, 18856980]

約数ペア:

[(1, 18856980), (2, 9428490), (3, 6285660), (4, 4714245), (5, 3771396), (6, 3142830), (9, 2095220), (10, 1885698), (12, 1571415), (15, 1257132), (18, 1047610), (20, 942849), (30, 628566), (36, 523805), (45, 419044), (60, 314283), (90, 209522), (180, 104761)]