19859104

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{367}}^1$

素因数の和:485

約数の個数: 48

約数和(自身を含む): 41731200

約数和(自身を除く): 21872096

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 89, 152, 178, 304, 356, 367, 608, 712, 734, 1424, 1468, 1691, 2848, 2936, 3382, 5872, 6764, 6973, 11744, 13528, 13946, 27056, 27892, 32663, 54112, 55784, 65326, 111568, 130652, 223136, 261304, 522608, 620597, 1045216, 1241194, 2482388, 4964776, 9929552, 19859104]

約数ペア:

[(1, 19859104), (2, 9929552), (4, 4964776), (8, 2482388), (16, 1241194), (19, 1045216), (32, 620597), (38, 522608), (76, 261304), (89, 223136), (152, 130652), (178, 111568), (304, 65326), (356, 55784), (367, 54112), (608, 32663), (712, 27892), (734, 27056), (1424, 13946), (1468, 13528), (1691, 11744), (2848, 6973), (2936, 6764), (3382, 5872)]