19956924

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{42643}}^1$

素因数の和:42666

約数の個数: 36

約数和(自身を含む): 54328456

約数和(自身を除く): 34371532

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 42643, 85286, 127929, 170572, 255858, 383787, 511716, 554359, 767574, 1108718, 1535148, 1663077, 2217436, 3326154, 4989231, 6652308, 9978462, 19956924]

約数ペア:

[(1, 19956924), (2, 9978462), (3, 6652308), (4, 4989231), (6, 3326154), (9, 2217436), (12, 1663077), (13, 1535148), (18, 1108718), (26, 767574), (36, 554359), (39, 511716), (52, 383787), (78, 255858), (117, 170572), (156, 127929), (234, 85286), (468, 42643)]