19415935

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:136

約数の個数: 64

約数和(自身を含む): 31518720

約数和(自身を除く): 12102785

約数列:

[1, 5, 7, 11, 29, 35, 37, 47, 55, 77, 145, 185, 203, 235, 259, 319, 329, 385, 407, 517, 1015, 1073, 1295, 1363, 1595, 1645, 1739, 2035, 2233, 2585, 2849, 3619, 5365, 6815, 7511, 8695, 9541, 11165, 11803, 12173, 14245, 14993, 18095, 19129, 37555, 47705, 50431, 59015, 60865, 74965, 82621, 95645, 104951, 133903, 252155, 353017, 413105, 524755, 554741, 669515, 1765085, 2773705, 3883187, 19415935]

約数ペア:

[(1, 19415935), (5, 3883187), (7, 2773705), (11, 1765085), (29, 669515), (35, 554741), (37, 524755), (47, 413105), (55, 353017), (77, 252155), (145, 133903), (185, 104951), (203, 95645), (235, 82621), (259, 74965), (319, 60865), (329, 59015), (385, 50431), (407, 47705), (517, 37555), (1015, 19129), (1073, 18095), (1295, 14993), (1363, 14245), (1595, 12173), (1645, 11803), (1739, 11165), (2035, 9541), (2233, 8695), (2585, 7511), (2849, 6815), (3619, 5365)]