19499861955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{260467}}^1$

素因数の和:260536

約数の個数: 64

約数和(自身を含む): 38407569408

約数和(自身を除く): 18907707453

約数列:

[1, 3, 5, 7, 15, 21, 23, 31, 35, 69, 93, 105, 115, 155, 161, 217, 345, 465, 483, 651, 713, 805, 1085, 2139, 2415, 3255, 3565, 4991, 10695, 14973, 24955, 74865, 260467, 781401, 1302335, 1823269, 3907005, 5469807, 5990741, 8074477, 9116345, 17972223, 24223431, 27349035, 29953705, 40372385, 41935187, 56521339, 89861115, 121117155, 125805561, 169564017, 185712971, 209675935, 282606695, 557138913, 629027805, 847820085, 928564855, 1299990797, 2785694565, 3899972391, 6499953985, 19499861955]

約数ペア:

[(1, 19499861955), (3, 6499953985), (5, 3899972391), (7, 2785694565), (15, 1299990797), (21, 928564855), (23, 847820085), (31, 629027805), (35, 557138913), (69, 282606695), (93, 209675935), (105, 185712971), (115, 169564017), (155, 125805561), (161, 121117155), (217, 89861115), (345, 56521339), (465, 41935187), (483, 40372385), (651, 29953705), (713, 27349035), (805, 24223431), (1085, 17972223), (2139, 9116345), (2415, 8074477), (3255, 5990741), (3565, 5469807), (4991, 3907005), (10695, 1823269), (14973, 1302335), (24955, 781401), (74865, 260467)]