18781648713

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{937}}^1\times {\mathrm{953}}^1$

素因数の和:1959

約数の個数: 64

約数和(自身を含む): 30067027200

約数和(自身を除く): 11285378487

約数列:

[1, 3, 9, 19, 27, 41, 57, 123, 171, 369, 513, 779, 937, 953, 1107, 2337, 2811, 2859, 7011, 8433, 8577, 17803, 18107, 21033, 25299, 25731, 38417, 39073, 53409, 54321, 115251, 117219, 160227, 162963, 345753, 351657, 480681, 488889, 729923, 742387, 892961, 1037259, 1054971, 2189769, 2227161, 2678883, 6569307, 6681483, 8036649, 16966259, 19707921, 20044449, 24109947, 36611401, 50898777, 109834203, 152696331, 329502609, 458088993, 695616619, 988507827, 2086849857, 6260549571, 18781648713]

約数ペア:

[(1, 18781648713), (3, 6260549571), (9, 2086849857), (19, 988507827), (27, 695616619), (41, 458088993), (57, 329502609), (123, 152696331), (171, 109834203), (369, 50898777), (513, 36611401), (779, 24109947), (937, 20044449), (953, 19707921), (1107, 16966259), (2337, 8036649), (2811, 6681483), (2859, 6569307), (7011, 2678883), (8433, 2227161), (8577, 2189769), (17803, 1054971), (18107, 1037259), (21033, 892961), (25299, 742387), (25731, 729923), (38417, 488889), (39073, 480681), (53409, 351657), (54321, 345753), (115251, 162963), (117219, 160227)]