19787482

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1609}}^1$

素因数の和:1678

約数の個数: 32

約数和(自身を含む): 35703360

約数和(自身を除く): 15915878

約数列:

[1, 2, 11, 13, 22, 26, 43, 86, 143, 286, 473, 559, 946, 1118, 1609, 3218, 6149, 12298, 17699, 20917, 35398, 41834, 69187, 138374, 230087, 460174, 761057, 899431, 1522114, 1798862, 9893741, 19787482]

約数ペア:

[(1, 19787482), (2, 9893741), (11, 1798862), (13, 1522114), (22, 899431), (26, 761057), (43, 460174), (86, 230087), (143, 138374), (286, 69187), (473, 41834), (559, 35398), (946, 20917), (1118, 17699), (1609, 12298), (3218, 6149)]