19796024

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 42508800

約数和(自身を除く): 22712776

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 47, 68, 76, 94, 136, 152, 163, 188, 323, 326, 376, 646, 652, 799, 893, 1292, 1304, 1598, 1786, 2584, 2771, 3097, 3196, 3572, 5542, 6194, 6392, 7144, 7661, 11084, 12388, 15181, 15322, 22168, 24776, 30362, 30644, 52649, 60724, 61288, 105298, 121448, 130237, 145559, 210596, 260474, 291118, 421192, 520948, 582236, 1041896, 1164472, 2474503, 4949006, 9898012, 19796024]

約数ペア:

[(1, 19796024), (2, 9898012), (4, 4949006), (8, 2474503), (17, 1164472), (19, 1041896), (34, 582236), (38, 520948), (47, 421192), (68, 291118), (76, 260474), (94, 210596), (136, 145559), (152, 130237), (163, 121448), (188, 105298), (323, 61288), (326, 60724), (376, 52649), (646, 30644), (652, 30362), (799, 24776), (893, 22168), (1292, 15322), (1304, 15181), (1598, 12388), (1786, 11084), (2584, 7661), (2771, 7144), (3097, 6392), (3196, 6194), (3572, 5542)]