19782798

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1$

素因数の和:401

約数の個数: 64

約数和(自身を含む): 48522240

約数和(自身を除く): 28739442

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 103, 119, 206, 238, 269, 309, 357, 538, 618, 714, 721, 807, 1442, 1614, 1751, 1883, 2163, 3502, 3766, 4326, 4573, 5253, 5649, 9146, 10506, 11298, 12257, 13719, 24514, 27438, 27707, 32011, 36771, 55414, 64022, 73542, 83121, 96033, 166242, 192066, 193949, 387898, 471019, 581847, 942038, 1163694, 1413057, 2826114, 3297133, 6594266, 9891399, 19782798]

約数ペア:

[(1, 19782798), (2, 9891399), (3, 6594266), (6, 3297133), (7, 2826114), (14, 1413057), (17, 1163694), (21, 942038), (34, 581847), (42, 471019), (51, 387898), (102, 193949), (103, 192066), (119, 166242), (206, 96033), (238, 83121), (269, 73542), (309, 64022), (357, 55414), (538, 36771), (618, 32011), (714, 27707), (721, 27438), (807, 24514), (1442, 13719), (1614, 12257), (1751, 11298), (1883, 10506), (2163, 9146), (3502, 5649), (3766, 5253), (4326, 4573)]