19537128

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{20873}}^1$

素因数の和:20898

約数の個数: 48

約数和(自身を含む): 56986020

約数和(自身を除く): 37448892

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 20873, 41746, 62619, 83492, 125238, 166984, 187857, 250476, 271349, 375714, 500952, 542698, 751428, 814047, 1085396, 1502856, 1628094, 2170792, 2442141, 3256188, 4884282, 6512376, 9768564, 19537128]

約数ペア:

[(1, 19537128), (2, 9768564), (3, 6512376), (4, 4884282), (6, 3256188), (8, 2442141), (9, 2170792), (12, 1628094), (13, 1502856), (18, 1085396), (24, 814047), (26, 751428), (36, 542698), (39, 500952), (52, 375714), (72, 271349), (78, 250476), (104, 187857), (117, 166984), (156, 125238), (234, 83492), (312, 62619), (468, 41746), (936, 20873)]