19373220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2503}}^1$

素因数の和:2561

約数の個数: 72

約数和(自身を含む): 60156096

約数和(自身を除く): 40782876

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2503, 2580, 3870, 5006, 7509, 7740, 10012, 12515, 15018, 22527, 25030, 30036, 37545, 45054, 50060, 75090, 90108, 107629, 112635, 150180, 215258, 225270, 322887, 430516, 450540, 538145, 645774, 968661, 1076290, 1291548, 1614435, 1937322, 2152580, 3228870, 3874644, 4843305, 6457740, 9686610, 19373220]

約数ペア:

[(1, 19373220), (2, 9686610), (3, 6457740), (4, 4843305), (5, 3874644), (6, 3228870), (9, 2152580), (10, 1937322), (12, 1614435), (15, 1291548), (18, 1076290), (20, 968661), (30, 645774), (36, 538145), (43, 450540), (45, 430516), (60, 322887), (86, 225270), (90, 215258), (129, 150180), (172, 112635), (180, 107629), (215, 90108), (258, 75090), (387, 50060), (430, 45054), (516, 37545), (645, 30036), (774, 25030), (860, 22527), (1290, 15018), (1548, 12515), (1935, 10012), (2503, 7740), (2580, 7509), (3870, 5006)]