19353225

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 34765632

約数和(自身を除く): 15412407

約数列:

[1, 3, 5, 15, 17, 25, 43, 51, 75, 85, 129, 215, 255, 353, 425, 645, 731, 1059, 1075, 1275, 1765, 2193, 3225, 3655, 5295, 6001, 8825, 10965, 15179, 18003, 18275, 26475, 30005, 45537, 54825, 75895, 90015, 150025, 227685, 258043, 379475, 450075, 774129, 1138425, 1290215, 3870645, 6451075, 19353225]

約数ペア:

[(1, 19353225), (3, 6451075), (5, 3870645), (15, 1290215), (17, 1138425), (25, 774129), (43, 450075), (51, 379475), (75, 258043), (85, 227685), (129, 150025), (215, 90015), (255, 75895), (353, 54825), (425, 45537), (645, 30005), (731, 26475), (1059, 18275), (1075, 18003), (1275, 15179), (1765, 10965), (2193, 8825), (3225, 6001), (3655, 5295)]