19005492723

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1\times {\mathrm{971}}^1$

素因数の和:1328

約数の個数: 64

約数和(自身を含む): 30098718720

約数和(自身を除く): 11093225997

約数列:

[1, 3, 7, 21, 41, 123, 127, 179, 287, 381, 537, 861, 889, 971, 1253, 2667, 2913, 3759, 5207, 6797, 7339, 15621, 20391, 22017, 22733, 36449, 39811, 51373, 68199, 109347, 119433, 123317, 154119, 159131, 173809, 278677, 369951, 477393, 521427, 836031, 863219, 932053, 1216663, 2589657, 2796159, 3649989, 5055997, 6524371, 7126169, 15167991, 19573113, 21378507, 22073743, 35391979, 49883183, 66221229, 106175937, 149649549, 154516201, 463548603, 905023463, 2715070389, 6335164241, 19005492723]

約数ペア:

[(1, 19005492723), (3, 6335164241), (7, 2715070389), (21, 905023463), (41, 463548603), (123, 154516201), (127, 149649549), (179, 106175937), (287, 66221229), (381, 49883183), (537, 35391979), (861, 22073743), (889, 21378507), (971, 19573113), (1253, 15167991), (2667, 7126169), (2913, 6524371), (3759, 5055997), (5207, 3649989), (6797, 2796159), (7339, 2589657), (15621, 1216663), (20391, 932053), (22017, 863219), (22733, 836031), (36449, 521427), (39811, 477393), (51373, 369951), (68199, 278677), (109347, 173809), (119433, 159131), (123317, 154119)]