19740474

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2909}}^1$

素因数の和:2959

約数の個数: 48

約数和(自身を含む): 47665800

約数和(自身を除く): 27925326

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 29, 39, 58, 78, 87, 117, 174, 234, 261, 377, 522, 754, 1131, 2262, 2909, 3393, 5818, 6786, 8727, 17454, 26181, 37817, 52362, 75634, 84361, 113451, 168722, 226902, 253083, 340353, 506166, 680706, 759249, 1096693, 1518498, 2193386, 3290079, 6580158, 9870237, 19740474]

約数ペア:

[(1, 19740474), (2, 9870237), (3, 6580158), (6, 3290079), (9, 2193386), (13, 1518498), (18, 1096693), (26, 759249), (29, 680706), (39, 506166), (58, 340353), (78, 253083), (87, 226902), (117, 168722), (174, 113451), (234, 84361), (261, 75634), (377, 52362), (522, 37817), (754, 26181), (1131, 17454), (2262, 8727), (2909, 6786), (3393, 5818)]