19333587

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 32992512

約数和(自身を除く): 13658925

約数列:

[1, 3, 7, 13, 21, 39, 49, 67, 91, 147, 151, 201, 273, 453, 469, 637, 871, 1057, 1407, 1911, 1963, 2613, 3171, 3283, 5889, 6097, 7399, 9849, 10117, 13741, 18291, 22197, 30351, 41223, 42679, 70819, 96187, 128037, 131521, 212457, 288561, 394563, 495733, 920647, 1487199, 2761941, 6444529, 19333587]

約数ペア:

[(1, 19333587), (3, 6444529), (7, 2761941), (13, 1487199), (21, 920647), (39, 495733), (49, 394563), (67, 288561), (91, 212457), (147, 131521), (151, 128037), (201, 96187), (273, 70819), (453, 42679), (469, 41223), (637, 30351), (871, 22197), (1057, 18291), (1407, 13741), (1911, 10117), (1963, 9849), (2613, 7399), (3171, 6097), (3283, 5889)]