19967928

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{449}}^1$

素因数の和:584

約数の個数: 64

約数和(自身を含む): 53460000

約数和(自身を除く): 33492072

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 109, 136, 204, 218, 327, 408, 436, 449, 654, 872, 898, 1308, 1347, 1796, 1853, 2616, 2694, 3592, 3706, 5388, 5559, 7412, 7633, 10776, 11118, 14824, 15266, 22236, 22899, 30532, 44472, 45798, 48941, 61064, 91596, 97882, 146823, 183192, 195764, 293646, 391528, 587292, 831997, 1174584, 1663994, 2495991, 3327988, 4991982, 6655976, 9983964, 19967928]

約数ペア:

[(1, 19967928), (2, 9983964), (3, 6655976), (4, 4991982), (6, 3327988), (8, 2495991), (12, 1663994), (17, 1174584), (24, 831997), (34, 587292), (51, 391528), (68, 293646), (102, 195764), (109, 183192), (136, 146823), (204, 97882), (218, 91596), (327, 61064), (408, 48941), (436, 45798), (449, 44472), (654, 30532), (872, 22899), (898, 22236), (1308, 15266), (1347, 14824), (1796, 11118), (1853, 10776), (2616, 7633), (2694, 7412), (3592, 5559), (3706, 5388)]