19428291255

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^2\times {\mathrm{13523}}^1$

素因数の和:13692

約数の個数: 48

約数和(自身を含む): 33191141760

約数和(自身を除く): 13762850505

約数列:

[1, 3, 5, 15, 19, 57, 71, 95, 213, 285, 355, 1065, 1349, 4047, 5041, 6745, 13523, 15123, 20235, 25205, 40569, 67615, 75615, 95779, 202845, 256937, 287337, 478895, 770811, 960133, 1284685, 1436685, 2880399, 3854055, 4800665, 14401995, 18242527, 54727581, 68169443, 91212635, 204508329, 273637905, 340847215, 1022541645, 1295219417, 3885658251, 6476097085, 19428291255]

約数ペア:

[(1, 19428291255), (3, 6476097085), (5, 3885658251), (15, 1295219417), (19, 1022541645), (57, 340847215), (71, 273637905), (95, 204508329), (213, 91212635), (285, 68169443), (355, 54727581), (1065, 18242527), (1349, 14401995), (4047, 4800665), (5041, 3854055), (6745, 2880399), (13523, 1436685), (15123, 1284685), (20235, 960133), (25205, 770811), (40569, 478895), (67615, 287337), (75615, 256937), (95779, 202845)]